Research Publications

Publications From 2007

Loso, M. G., Robert S. Anderson, Doak, D. F., Suzanne Anderson 2007: A disappearing lake reveals the Little Ice Age history of climate and glacier response in the icefields of Wrangell-St. Elias National Park and Preserve. Alaska Park Science, 6(1): 30 35.

John Behrendt 2007: A half century perspective on the International Geophysical Year (IGY). Polar Times, 3(10): 3 7.

Cooke, C. A., Abbott, M. B., Wolfe, A. P., Kittleson, J. L. 2007: A millennium of metallurgy recorded by lake sediments from Morococha, Peruvian Andes. Environmental Science and Technology, 41: 3469-3474. DOI: 10.1021/es062930+

, Markstrom, S. L. 2007: A Monthly Water-Balance Model Driven By a Graphical User Interface. U.S. Geological Survey Open File Report 2007-1088.

Turnbull, J. C., Scott J. Lehman, Miller, J. B., Tans, P. P., Sparks, R. J., Southon, J. 2007: A new high-precision 14CO2 time series for North American continental air. Journal of Geophysical Research, 112: D11310. DOI: 10.1029/2006JD008184

Stoner, J. S., Anne Jennings, Kristjansdttir, G. B., John T. Andrews, Dunhill, G., Hardardttir, J. 2007: A paleomagnetic approach toward refining Holocene radiocarbon based chronostratigraphies: Paleoceanographic records from North Iceland (MD99-2269) and East Greenland (MD99-2322) margins. Palaeoceanography, 22: PA1209. DOI: 1210:1029/2006PA001285, 002007

Davis, D. D., Seelig, J., Huey, G., Crawford, J., Chen, G., Wang, Y., Buhr, M., Detlev Helmig, Neff, W., Blake, D., Arimoto, R., Eisele, F. 2007: A reassessment of Antarctic plateau reactive nitrogen based on ANTCI 2003 airborne and ground based measurements. Atmospheric Environment, 42(12): 2831-2848. DOI: 10.1016/j.atmosenv.2007.07.039

Susann Stolze, Roe, H., Patterson, T., Monecke, T. 2007: A record of lateglacial and Holocene vegetation and climate change from Woods Lake, Seymour Inlet, coastal British Columbia, Canada. Review of Palaeobotany and Palynology, 147(1-4): 112-127. DOI: 10.1016/j.revpalbo.2007.07.002

Detlev Helmig, Oltmans, S. J., Carlson D., Lamarque, J-F., Jones, A., Labuschagne, C., Anlauf, K., Hayden, K. 2007: A review of surface ozone in the polar regions. Atmospheric Environment, 41(24): 5138 5161.

Hayes, R., Grossman, D. 2007: A scientist's guide to talking with the media: Practical advice from the Union of Concerned Scientists. Chapel Hill, North Carolina: Rutgers University Press.

W. Tad Pfeffer 2007: A simple mechanism for irreversible tidewater glacier retreat. Journal of Geophysical Research Earth Surface, 112(F3): F03S2. DOI: 10.1029/2006JF000590

Detlev Helmig 2007: A WMO/GAW Expert Workshop on Global Long-Term Measurements of Volatile Organic Compounds (VOCs), Geneva, Switzerland, 30 January to 1 February 2006. World Meteorological Organization Global Atmosphere Watch Report No. 171. February 2007, WMO TD No. 1373.

Barrows, T. T., Scott J. Lehman, Fifield, K. L., De Deckker, P. 2007: Absence of cooling in New Zealand and the adjacent ocean during the Younger Dryas Chronozone. Science, 318: 86 89.

Bai, Y., Kosoy, M. Y., Cully, Jr., J. F., Thiagarajan, B., Chris Ray, Collinge, S. K. 2007: Acquisition of nonspecific Bartonella strains by the northern grasshopper mouse (Onychomys leucogaster). FEMS Microbiology Ecology, 61(3): 438-448. DOI: 10.1111/j.1574-6941.2007.00364.x

Daniel R. Muhs, Budahn, J., Reheis, M., Beann, J., Skipp, G., Fisher, E. 2007: Airborne dust transport to the eastern Pacific Ocean off southern California: Evidence from San Clemente Island. Journal of Geophysical Research, 112: D13203. DOI: 10.1029/2006JD007577

Ryan VachonJames W. C. White, Gutmann, E., Welker, J. M. 2007: Amount-weighted annual isotopic (18O) values are affected by the seasonality of precipitation: A sensitivity study. Geophysical Research Letters, 34: L21707.

Alton C. Byers 2007: An assessment of contemporary glacier fluctuations in Nepal's Khumbu Himal using repeat photography. Himalayan Journal of Sciences, 4(6): 21-26.

Dibb, J. E., Albert, M., Anastasio, C., Atlas, E., Beyersdorf, A. J., Blake, N. J., Blake, D. R., Bocquet, F., Burkhart, J. F., Chen, G., Cohen, L., Conway, T. J., Courville, Z., Frey, M. M., Friel, D. K., Galbavy, E. S., Hall, S., Hastings, M. G., Detlev Helmig, Huey, L. G., Manuel A. Hutterli, M. A., Jarvis, J. C., Lefer, B. L., Meinardie, S., Neff, W., Oltmans, S. J., Rowland, F. S., Sjostedt, S. J., Steig, E. J., Swanson, A. L., Tanner, D. J. 2007: An overview of air-snow exchange at Summit, Greenland: Recent experiments and findings. Atmospheric Environment, 41(24): 4995-5006. DOI: 10.1016/j.atmosenv.2006.12.006

Grannas, A. M., Jones, A. E., Dibb, J., Ammann, M., Anastasio, C., Beine, H. J., Bergin, M., Bottenheim, J., Boxe, C. S., Carver, G., Chen, G., Crawford, J. H., Domine, F., Frey, M. M., Guzman, M. I., Heard, D. E., Detlev Helmig, Hoffmann, M. R., Honrath, R. E., Huey, L. G., Hutterli, M., Jacobi, H. W., Klan, P., Lefer, B., McConnell, J., Plane, J., Sander, R., Savarino, J., Shepson, P. B., Simpson, W. R., Sodeau, J. R., von Glasow, R., Weller, R., Wolff, E. W., Zhu, T. 2007: An overview of snow photochemistry: Evidence, mechanisms and impacts. Atmospheric Chemistry and Physics, 7:4329 4373.

Quaternary Science Reviews, 26(11-12): 1638 1649. doi: 10.1016/j.quascirev.2007.02.015Benson, L. V., Petersen, K., Stein, J. 2007: Anasazi (Pre-Columbian Native-American) migrations during the middle-12th and late-13th centuries Were they drought induced?. Climatic Change, 83(1-2): 187 213. DOI: 10.1007/s10584-006-9065-y

Zazula, G. D, Froese, D. G., Scott Elias, Kuzmina, S., Mathewes, R. W. 2007: Arctic ground squirrels of the mammoth-steppe: Paleoecology of Late Pleistocene middens (24000 29450 14C yr BP), Yukon Territory, Canada. Quaternary Science Reviews, 26(7-8): 979 1003.

Ongley, L., Sherman, L., Armienta, A., Amy Concilio, Ferguson Salinas, C. 2007: Arsenic in the soils of Zimapán, Mexico. Environmental Pollution, 145(3): 793-799. DOI: 10.1016/j.envpol.2006.05.014

, Betancourt, J. L., Hidalgo, H. G. 2007: Associations of decadal to multidecadal sea-surface temerpature variability with Upper Colorado River flow. Journal of the American Water Resources Association, 43: 183 192.

Lynch-Stieglitz, J., Adkins, J. F., Curry, W. B., Dokken, T., Hall, I. R., Herguera, J. C., Hirschi, J. J.-M., Ivanova, E. V., Kissel, C., Marchal, O., Tom Marchitto, McCave, I. N., McManus, J. F., Mulitza, S., Ninnemann, U., Peeters, F., Yu, E.-F., Zahn, R. 2007: Atlantic meridional overturning circulation during the Last Glacial Maximum. Science, 316: 66-69. DOI: 10.1126/science.1137127

Thompson, R. S., Anderson, K., Pelltier, R. T., Shafer, S. L., Bartlein, P. J. 2007: Atlas of relations between climatic parameters and distributions of important trees and shrubs in North America: Ecoregions of North America. U.S. Geological Survey Professional Paper 1650–E.

Fernandez, D. P., Neff, J. C., Richard Reynolds 2007: Biogeochemical and ecological impacts of livestock grazing in semi-arid Southeastern Utah, USA. Journal of Arid Environments, 72(5): 777 791. DOI: 10.1016/j.jaridenv.2007.10.009

Schmidt, S. K., Costello, E. K., Nemergut, D. R., Cory Cleveland, Reed, S. C., Weintraub, M. N., Meyer, A. F., Martin, A. M. 2007: Biogeochemical consequences of rapid microbial turnover and seasonal succession in soil. Ecology, 88: 1379-1385.

Bagshaw, E. A., Tranter, M., Andrew G. Fountain, Welch, K. A., Basagic, H., Lyons, W. B. 2007: Biogeochemical evolution of cryoconite holes on Canada Glacier, Taylor Valley, Antarctica. Journal of Geophysical Research Biogeosciences, 112G04S35. DOI: 10.1029/2007JG000442

Barrett, J. E., Virginia, R. A., Lyons, W. B., Diane M. McKnight, Priscu, J. C., Doran, P. T., Andrew G. Fountain, Wall, D. H., Moorhead, D. L. 2007: Biogeochemical stoichiometry of Antarctic Dry Valley ecosystems. Journal of Geophysical Research—Biogeosciences, 112(G1): G01010. DOI: 10.1029/2005JG000141

Suzanne Anderson 2007: Biogeochemistry of glacial landscape systems. Annual Review of Earth and Planetary Sciences, 35: 375 399.

Parnell, J., Bowden, S., Taylor, C., John T. Andrews 2007: Biomarker determination as a provenance tool for detrital carbonate events (Heinrich events?): Fingerprinting Quaternary glacial sources in Baffin Bay. Earth and Planetary Science Letters, 257: 71 82.

Cohen, L., Detlev Helmig, Neff, W., Grachev, A., Fairall, C. W. 2007: Boundary-layer dynamics and its influence on atmospheric chemistry at Summit, Greenland. Atmospheric Environment, 41(24): 5044 5060.

Sievering, H., Tomaszewski, T., Torizzo, J. 2007: Canopy uptake of atmospheric N deposition at a conifer forest: Part I - Canopy N budget, photosynthetic efficiency and net ecosystem exchange. Tellus B, 59(3): 483 492.

Tomaszewski, T., Sievering, H. 2007: Canopy uptake of atmospheric N deposition at a conifer forest: Part II Response of chlorophyll fluorescence and gas exchange parameters. Tellus B, 59(3): 493 501.

Hobbs, W. Wolfe, A. P. 2007: Caveats on the use of paleolimnology to infer Pacific Salmon returns. Limnology and Oceanography, 52: 2053-2061.

Alton C. Byers 2007: Changing climates, changing lives: Strengthening adaptive response capacities to climate change in the Huascarán Biosphere Reserve, Peru, and Sagarmatha (Mt. Everest) National Park, Nepal. In Baudo, R., Tartari, G., and Vuillermoz, E. (eds.), Mountains: Witnesses of Global Changes. Amsterdam: Elsevier, 249-250.

Alton C. Byers 2007: Changing climates, changing lives: Strengthening adaptive response capacities to climate change in the Huascaran Biosphere Reserve, Peru, and Sagarmatha (Mt. Everest) National Park, Nepal. In Baudo, R., Tartari, G., and Vuillermoz, E. (eds.), Mountains: Witnesses of Global Changes. Research in the Himalaya and Karakoram: Share-Asia Project. Elsevier Science, 249-250. DOI: 10.1016/S0928-2025(06)10027-9

2007: Channel monitoring to evaluate geomorphic change on the main stem of the Colorado River. Final Report, Project 85A,U.S. Fish and Wildlife Service Upper Colorado River Endangered Fish Recovery Program, Denver, Colorado.

Schmidt-Rohr, K., Mao, J., Cory, R. M., Diane M. McKnight 2007: Characterization of a nitrogen-rich fulvic acid and its precursor algae by solid-state NMR. Organic Geochemistry, 38(8): 1277 1292.

Cory, R. M., Diane M. McKnight, Chin, Y., Miller, P.,  2007: Chemical characteristics of fulvic acids from Arctic surface waters: Microbial contributions and photochemical transformations. Journal of Geophysical Research Biogeosciences, 112(G4): G04S51. DOI: 10.1029/2006JG000343

Natalie MladenovDiane M. McKnight, Macko, S. A., Norris, M., Cory, R. M., Ramberg, L. 2007: Chemical characterization of DOM in channels of a seasonal wetland. Aquatic Sciences, 69(4): 456 471.

Boyce, R. L. 2007: Chlorophyll fluorescence response of red spruce and balsam fir to a watershed calcium fertilization experiment in New Hampshire. Canadian Journal of Forest Research Revue Canadienne de Recherche Forestiere, 37(8): 1518 1522.

Michelutti, N., Wolfe, A. P., Briner, J. P., Gifford H. Miller 2007: Climatically controlled chemical and biological development in Arctic lakes. Journal of Geophysical Research Biogeosciences, 112: G03002. DOI: 10.1029/2006JG000396

Gilli, A., Vera Markgraf, Anselmetti, F. S., Ariztegui, D. 2007: Comment on Wenzens, G. 2005: Glacier advances east of the Southern Andes between the Last Glacial Maximum and 5000 BP compared with lake terraces of the endorrheic Lago Cardiel (49S, Patagonia, Argentina). Zeitschrift fr Geomorphologie, 51:135 137.

Stansell, N. D., Abbott, M. B., Polissar, P., Wolfe, A. P., Bezada, M., Rull, V. 2007: Comment: Late Quaternary deglacial history of the Mrida Andes, Venezuela. Journal of Quaternary Science 22: 817-825. DOI: 10.1002/jqs.1110

Nittrouer, C. A., Austin, J. A., Field, M. E., Steckler, M., Jaia Syvitski, Wiberg, P. L. (eds.), 2007: Continental-Margin Sedimentation: From Sediment Transport to Sequence Stratigraphy. IAS Special Publication 37.

Townsend, A. R., Cory Cleveland, Asner, G. P., Bustamante, M. M. C. 2007: Controls over foliar N:P ratios in tropical rain forests. Ecology, 88(1): 107-118.

Reed, S. C., Cory Cleveland, Townsend, A. R. 2007: Controls over leaf litter and soil nitrogen fixation in two lowland tropical rain forests. Biotropica, 39(5): 585-592.

Kilbourne, K. H., Quinn, T. M., Guilderson, T. P., Webb, R. S., Taylor, F. W. 2007: Decadal- to interannual-scale source water variations in the Caribbean Sea recorded by Puerto Rican coral radiocarbon. Climate Dynamics, 29(1): 51 62.

Owen Sherwood, Risk, M. 2007: Deep-sea corals: New insights to paleoceanography. In Hillaire-Marcel, C. and de Vernal, A. (eds.), Proxies in Late Cenozoic Paleoceanography. Elsevier, 491-517. DOI: 10.1016/S1572-5480(07)01017-2

Ocheltree, T. O., Henry Loescher 2007: Design of the AmeriFlux portable eddy covariance system and uncertainty analysis of carbon measurements. Journal of Atmospheric and Oceanic Technology, 24: 1389-1409. DOI: 10.1175/JTECH2064.1

Gifford H. Miller, Magee, J. W., Fogel, M. L., Gagan, M. K. 2007: Detecting human impacts on the flora, fauna, and summer monsoon of Pleistocene Australia. Climate of the Past 3: 463 473.

Spyratos, V., Patrick Bourgeron, Ghil, M. 2007: Development at the wildland urban interface and the mitigation of forest-fire risk. Proceedings of the National Academy of Sciences, 104: 14272 14276. DOI: 10.1073/pnas.0704488104

Pospelova, G. A., Anikovich, M. V., John F. Hoffecker, Kadzialko-Hofmokl, M. 2007: Development of a magnetic method for reconstructing the paleoclimate of the rock formation time: A case study of the Paleolithic Kostenki-12 site section (the Voronezh Region). Izvestiya, Physics of the Solid Earth, 43(12): 1031-1046.

Bertram, T. H., Perring, A. E., Wooldridge, P. J., Crounse, J. D., Kwan, A. J., Wennberg, P. O., Scheuer, E., Dibb, J., Avery, M., Sachse, G., Vay, S. A., Crawford, J. H., McNaughton, C. S., Clarke, A., Pickering, K. E., Fuelberg, H., Huey, G., Blake, D. R., Singh, H. B., Hall, S. R., Shetter, R., Alan Fried, Heikes, B. G., Cohen, R. C. 2007: Direct measurements of the convective recycling of the upper troposphere. Science, 315(5813): 816-820. DOI: 10.1126/science.1134548

Richard Reynolds, Yount, J. C., Reheis, M. C., Goldstein, H., Chavez, P., Fulton, R., Whitney J., Fuller, C., Forester, R. M. 2007: Dust emission from wet and dry playas in the Mojave Desert. Earth Surface Processes and Landforms, 32: 1811 1827. DOI: 10.1002/esp.1515

Anikovich, M. V., Sinitsyn, A. A., John F. Hoffecker, Holliday, V. T., Popov, V. V., Lisitsyn, S. N., Forman, S. L., Levkovskaya, G. M., Pospelova, G. A., Kuzmina, I. E., Burova, N. D., Goldberg, P., Macphail, R. I., Giaccio, B., Praslov, N. D. 2007: Early upper Paleolithic in Eastern Europe and implications for the dispersal of modern humans. Science, 315: 223-226. DOI: 10.1126/science.1133376

Nikki Lovenduski, Gruber, N., Doney, S. C., Lima, I. D. 2007: Enhanced CO2 outgassing in the Southern Ocean from a positive phase of the Southern Annular Mode. Global Biogeochemical Cycles, 21: GB2026. DOI: 10.1029/2006GB002900

Henry Loescher, Jacobs, J., Wendroth, O., Robinson, D. A., Poulos, G. S., McGuire, K., Reed, P., Mohanty, B., Krajewski, W. 2007: Enhancing water cycle measurements for future hydrologic research. Bulletin of the American Meteorological Society, 88: 669-676. DOI: 10.1175/BAMS-88-5-669

Clark, C. M., Cleland, E. E., Collins, S. L., Fargione, J. E., Gough, L., Gross, K. L., Pennings, S. C., Katharine Suding, Grace, J. B. 2007: Environmental and plant community determinants of species loss following nitrogen enrichment. Ecology Letters, 10(7): 596-607. DOI: 10.1111/j.1461-0248.2007.01053.x

Bern, C. R., Porder, S., Townsend, A. R. 2007: Erosion and landscape development decouple strontium and sulfur in the transition to dominance by atmospheric inputs. Geoderma, 142(3-4): 274-284.

Noah P. Molotch, Blanken, P. D., Mark Williams, Turnipseed, A., Monson, R., Margulis, S. 2007: Estimating sublimation of intercepted and sub-canopy snow using eddy covariance systems. Hydrologic Processes, 21(12): 1567 1575. DOI: 10.1002/hyp.6719

Siver, P. A. Wolfe, A. P. 2007: Eunotia spp. (Bacillariophyceae) from Middle Eocene lake sediments and comments on the origin of the diatom raphe. Canadian Journal of Botany, 85: 83-90. DOI: 10.1139/B06-143

Hobbie, J. E., Baker, A., Clarke, G., Doran, P. T., Karl, D., Methe, B., Miller, H., Mukasa, S. B., Race, M., Vincent, W. F., Walton, D., James W. C. White 2007: Exploration of Antarctic subglacial aquatic environments: Environmental and scientific stewardship. Washington, D. C., National Academies Press.

Nelson, A. R., Personius, S. F., Buck, J., Bradley, L.-A., Wells, R. E., Schermer, E. R. 2007: Field and laboratory data from an earthquake history study of scarps of the Lake Creek-Boundary Creek fault between the Elwha River and Siebert Creek, Clallam County, Washington. U.S. Geological Survey Scientific Investigations Map 2961, 2 sheets with interpretive text.

Ortega, J., Detlev Helmig, Guenther, A., Harley, P., Pressley, S., Vogel, C. 2007: Flux estimates and OH reaction potential of reactive biogenic volatile organic compounds (BVOC) from a mixed northern hardwood forest. Atmospheric Environment, 41(26): 5479 5495.

Kemp, B. M., Malhi, R. S., McDonough, J., Bolnick, D. A., Eshleman, J. A., Rickards, O., Martinez-Labarga, C., Johnson, J. R., Lorenz, J. G., E. James Dixon, Fifield, T. E., Heaton, T. H., Worl, R., Smith, D. G. 2007: Genetic analysis of early holocene skeletal remains from Alaska and its implications for the settlement of the Americas. American Journal of Physical Anthropology,132(4):605 621.

Holliday, V. T., John F. Hoffecker, Goldberg, P., Macphail, R. I., Forman, S. L., Anikovich, M., Sinitsyn, A. 2007: Geoarchaeology of the Kostenki-Borshchevo sites, Don River Valley, Russia. Geoarchaeology, 22(2): 181-228. DOI: 10.1002/gea.20163

Daniel R. Muhs, Budahn, J., Prospero, J. M., Carey, S. N. 2007: Geochemical evidence for African dust inputs to soils of western Atlantic islands: Barbados, the Bahamas and Florida. Journal of Geophysical Research, 112: F02009. DOI: 10.1029/2005JF000445

Kristjansdttir, G. B., Stoner, J. S., Gronvold, K., John T. AndrewsAnne Jennings 2007: Geochemistry of Holocene cryptotephras from the North Iceland Shelf (MD99-2269): Intercalibration with radiocarbon and paleomagnetic chronostratigraphies. The Holocene, 17: 155 176.

Jaia Syvitski, Milliman, J. D. 2007: Geology, geography and humans battle for dominance over the delivery of sediment to the coastal ocean. Journal of Geology, 115 (1): 1 19.(

Robert F. Stallard 2007: Geology, hydrology, and soils. In Vriesendorp, C., et al., eds., Per: Nanay-Mazn-Arabela. Chicago: The Field Museum, Rapid Biological Inventories Report 17: 114 119, 158 162. [Also in Spanish: Geologa, hidrologa y suelos, p. 44 50, 156 157, 160 162.]

Briner, J. P., Gifford H. Miller, Finkel, R., Hess, D. P. 2007: Glacial erosion at the fjord onset zone and implications for the organization of ice flow on Baffin Island, Arctic Canada. Geomorphology. DOI: 10.1016/j.geomorph.2007.02.039

Flowers, G. E., Bjrnsson, H., Áslaug GeirsdóttirGifford H. Miller, Clarke, G. K. C. 2007: Glacier fluctuation and inferred climatology of Langjkull ice cap through the Little Ice Age. Quaternary Science Reviews, 26: 2337 2353.

Zemp, M., Haeberli, W., Bajracharya, S., Chinn, T. J., Andrew G. Fountain, Hagen, J. O., Huggel, C., Kb, A., Kaltenborn, B. P., Karki, M., Kaser, G., Kotlyakov, V. M., Lambrechts, C., Li, Z. Q., Molnia, B. F., Mool, P., Nellemann, C., Novikov, V., Osipova, G. B., Rivera, A., Shrestha, B., Svoboda, F., Tsvetkov D. G., Yao, T. D. 2007: Glaciers and ice caps.Part I: Global overview and outlook. Part II: Glacier changes around the world. In UNEP: Global outlook for ice & snow. Arendal, Norway: UNEP/GRID, 115 152.

Hearty, P. J., Hollin, J. T., Neumann, A. C., O'Leary, M. J., McCulloch, M. 2007: Global sea-level fluctuations during the Last Interglaciation (MIS 5e). Quaternary Science Reviews, 26(17-18): 2090-2112. DOI: 10.1016/j.quascirev.2007.06.019

Dirk RichterPetter WeibringAlan Fried, Suzuki, H. 2007: High-power, tunable difference frequency generation source based on waveguide periodically poled lithium niobate for absorption spectroscopy. Optics Express, 15(2): 564-571.

William F. Manley, Sanzone, D. M., Leanne LestakEric Parrish 2007: High-resolution orthorectified imagery and accessory layers from ca. 1950s, ca. 1980s and 2003 for the coastal areas of Bering Land Bridge NP (BELA) and Cape Krusenstern NM (CAKR), northwest Alaska. National Park Service, Arctic Network I&M Program (Digital media, http:\\

Leanne LestakWilliam F. Manley, Sturtevant, P. M., Maslanik, J. A., Tweedie, C. E., Brown, J. 2007: High-resolution rectified aerial photography for collaborative research of environmental change at Barrow, Alaska, USA. National Snow and Ice Data Center, University of Colorado (Digital media,

John T. Andrews 2007: Holocene denudation of Iceland as determined from accumulation of sediments on the continental margin. Boreas, 36: 240 252.

Axford, Y., Gifford H. Miller, Geirsdóttir, Á., Langdon, P. G. 2007: Holocene temperature history of northern Iceland inferred from subfossil midges. Quaternary Science Reviews, 26: 3344-3358.

Galloway, J. N., Townsend, A. R., Erisman, J. W., Seitzinger, S., Martinelli, L. A., Bekunda, M., Sutton, M., Freney, J., Cai, Z. 2007: Human alteration of the global nitrogen cycle: Threats, benefits and opportunities. UNESCO-SCOPE Policy Brief, April 2007.

Richardson, D. M., Rundel, P. W., Jackson, S. T., Teskey, R. O., Aronson, J., Bytnerowicz, A., Wingfield, M. J., Proche_, ^. 2007: Human impacts in pine forests: Past, present, and future. Annual Review of Ecology, Evolution, and Systematics, 38: 275 297.

Snow, J. A., Heikes, B. G., Shen, H., O’Sullivan, D., Alan FriedJames Walega 2007: Hydrogen peroxide, methyl hydroperoxide, and formaldehyde over North America and the North Atlantic. Journal of Geophysical Research—Atmospheres, 112: D12S07. DOI: 10.1029/2006JD007746

John Behrendt 2007: IGY to IPY: the U.S. Antarctic Oversnow and Airborne Geophysical-Glaciological Research Program from 1957 to 1964 from the view of a young graduate student. In Cooper, A. K. et al., eds., Antarctica: A Keystone in a Changing World. Proceedings of the 10th International Symposium on Antarctic Earth Sciences Santa Barbara, California, August 26-September 1, 2007. U. S. Geological Survey and the National Academies, USGS Open File Report 2007-1047, Short Research Paper 008. DOI: 10.3133/of2007-1047.srp008

Gomez, B., Albert J. Kettner 2007: Impact of 21st Century Climate Change on the Suspended Sediment Discharge of the Waipaoa River at Matawhere. Report to Gisborn District Council.

Riihimaki, C. A., Robert S. Anderson, Safran, E. B. 2007: Impact of rock uplift on rates of late Cenozoic Rocky Mountain river incision. Journal of Geophysical Research, 112: F03S02. DOI: 10.1029/2006JF000557

Nikki Lovenduski 2007: Impact of the Southern Annular Mode on Southern Ocean circulation and biogeochemistry. Ph.D. dissertation, University of California at Los Angeles, 104 pp.

Beedle, M. J., Dyurgerov, M. B., Tangborn, W., Khalsa, S. J. S., Helm C., Raup, B., Armstrong, R., Barry, R. G. 2007: Improving estimation of glacier volume change: A GLIMS case study of Bering glacier, Alaska. The Cryosphere, 1: 169-212.

Cory Cleveland, Nemergut, D. R., Townsend, A. R., Schmidt, S. K. 2007: Increases in soil respiration following labile carbon additions linked to rapid shifts in soil microbial community composition. Biogeochemistry, 82: 229-240. DOI: 10.1007/s10533-006-9065-z

Meixner, T., Huth, A. K., Paul Brooks, Conklin, M. H., Grimm, N. B., Bales, R. C., Haas, P. A., Petti, J. R. 2007: Influence of shifting flow paths on nitrogen concentrations during monsoon floods, San Pedro River, Arizona. Journal of Geophysical Research Biogeosciences, 112(G3): G03S03. DOI: 10.1029/2006JG000266

Tim Seastedt, Knochel, D., Garmoe, M., Shosky, S. 2007: Interactions and effects of multiple biological control insects on diffuse and spotted knapweed in the Front Range of Colorado. Biological Control, 42: 345-354. DOI: 10.1016/j.biocontrol.2007.06.003

Cynthia Nevison, Mahowald, N. M., Weiss, R. F., Prinn, R. G. 2007: Interannual and seasonal variability in atmospheric N2O. Global Biogeochemical Cycles, 21(3): GB3017.

Chris Ray, Collinge, S. K. 2007: Introducing the trophic vortex: Response to Stapp. Ecohealth, 4(2): 122-124.

Otto-Bliesner, B. L., Hewitt, C. D., Tom Marchitto, Brady, E., Abe-Ouchi, A., Crucifix, M., Murakami, S., Weber, S. L. 2007: Last Glacial Maximum ocean thermohaline circulation: PMIP2 model intercomparisons and data constraints. Geophysical Research Letters, 34: L12706. DOI: 10.1029/2007GL029475

Anderson, L., Abbott, M. B., Finney, B. P., Burns, S. J. 2007: Late Holocene moisture balance variability in the southwest Yukon Territory, Canada. Quaternary Science Reviews, 26(1): 130-141.

Gross, N., Katharine Suding, Lavorel, S. 2007: Leaf dry matter content and lateral spread predict response to land use change for six subalpine grassland species. Journal of Vegetation Science, 18(2): 289-300. DOI: 10.1111/j.1654-1103.2007.tb02540.x

Sun, J., Li, S.-H., Daniel R. Muhs, Li, B. 2007: Loess sedimentation in Tibet: Provenance, processes, and link with Quaternary glaciations. Quaternary Science Reviews, 26(17-18): 2265 2280.

Vladimir G. Konovalov 2007: Long term change of water balance components in river basins fed by melted ice and snow. Meteorology and Hydrology, 8: 77-89.

Jackson, S. T. 2007: Looking forward from the past: History, ecology, and conservation. Frontiers in Ecology and the Environment, 5: 455.(

Blum, A. E., Dennis Eberl 2007: Measurement of surface areas by polyvinylpyrrolidone sorption. U.S. Patent 7,264,777, September 4, 2007.

Meko, D. M., , Baisan, C. H., Knight, T., Lukas, J. J., Hughes, M. K., Salzer, M. W. 2007: Medieval drought in the upper Colorado River basin. Geophysical Research Letters, 34: L10705, DOI: 10.1029/2007GL029988

Tom Marchitto, Bryan, S. P., Curry, W. B., McCorkle, D. C. 2007: Mg/Ca temperature calibration for the benthic foraminifer Cibicidoides pachyderma. Paleoceanography, 22(1): PA1203. DOI: 10.1029/2006PA001287

Zhang, G., Dong, H., Kim, J., Dennis Eberl 2007: Microbial reduction of structural Fe3 in notronite by a thermophilic bacterium and its role in promoting the smectite-illite reaction. American Mineralogist, 92: 1411 1419.

Miller, A. E., Schimel, J. P., Sickman, J. O., Meixner, T., Doyle, A. P., Melack, J. M. 2007: Mineralization responses at near-zero temperatures in three alpine soils. Biogeochemistry, 84(3): 233 245.

Nemergut, D. R., Barkay, T., Coombs, J. 2007: Mobile gene elements in environmental microbial communities. In Hurst, C. J., et al. (eds.), Manual of Environmental Microbiology, 3rd edition. Washington, D. C.: ASM Press.

MacGregor J. A., Winebrenner D. P., Conway H., Matsuoka, K., Mayewski, P. A., Gary Clow 2007: Modeling englacial radar attenuation at Siple Dome, West Antarctica, using ice chemistry and temperature data. Journal of Geophysical Research, 112: F03008. DOI: 10.1029/2006JF000717

Fagherazzi, S., Irina Overeem 2007: Models of deltaic and inner continental shelf landform evolution. Annual Review of Earth and Planetary Science, 35: 685 715.

Jaia Syvitski, Saito, Y. 2007: Morphodynamics of deltas under the influence of humans. Global and Planetary Change, 57: 261 282.

Tania Schoennagel, Veblen, T. T., Kulakowski, D., Holz, A. 2007: Multidecadal climate variability and climate interactions affect subalpine fire occurrence, Western Colorado (USA). Ecology, 88(11): 2891-2902. DOI: 10.1890/06-1860.1

Briner, J. P., Axford, Y., Forman, S. L., Gifford H. Miller, Wolfe, A. P. 2007: Multiple generations of interglacial lake sediment preserved beneath the Laurentide Ice Sheet. Geology, 35: 887 890.

Brian Ebel, Loague, K., Dietrich, W. E., Montgomery, D. R., Torres, R., Suzanne Anderson, Giambelluca, T. W. 2007: Near-surface hydrologic response for a steep, unchanneled catchment near Coos Bay, Oregon: 1. Sprinkling experiments. American Journal of Science, 307: 678-708. DOI: 10.2475/04.2007.02

Brian Ebel, Loague, K., VanderKwaak, J. E., Dietrich, W. E., Montgomery, D. R., Torres, R., Suzanne Anderson 2007: Near-surface hydrologic response for a steep, unchanneled catchment near Coos Bay, Oregon: 2. Physics-based simulations. American Journal of Science, 307: 709-748. DOI: 10.2475/04.2007.03

Kristjansdttir, G. B., Lea, D. W., Anne Jennings, Pak, S., Belanger, C. 2007: New spatial Mg/Ca-Temperature Calibrations for three Arctic, benthic foraminifera and reconstruction of North Iceland shelf temperature for the past 4000 years. Geochemistry, Geophysics, Geosystems, 8(3): Q03P21. DOI: 10.1029/2006GC001425

Alton C. Byers 2007: NGO service delivery and promotion of democracy: Two TMI initiatives in Nepal and Peru. Mountain Research and Development, 27(2): 180-181. DOI: 10.1659/mrd.0910

Mark Williams, Knauf, M., Cory, R., T. Nelson Caine, Liu, F. J. 2007: Nitrate content and potential microbial signature of rock glacier outflow, Colorado Front Range. Earth Surface Processes, 32(7): 1032 1047. DOI: 10.1002/esp.1455

Oelsner, G. P., Paul Brooks, Hogan, J. F. 2007: Nitrogen sources and sinks within the middle Rio Grande, New Mexico. Journal of the American Water Resources Association, 43(4): 850 863.

Williams, J. W. Jackson, S. T. 2007: Novel climates, no-analog communities, and ecological surprises. Frontiers in Ecology and the Environment, 5(9): 475 482.

Kennish, M. J., Townsend, A. R. 2007: Nutrient enrichment and estuarine eutrophication. Ecological Applications, 17(5): S1-S2. DOI: 10.1890/06-1623.1

Kleissl, J., Honrath, R. E., Dziobak, M. P., Tanner, D., Val Martn M., Owen, R. C., Detlev Helmig 2007: Occurrence of upslope flows at the Pico mountaintop observatory: A case study of orographic flows on a small, volcanic island,. Journal of Geophysical Research Atmospheres, 112: D10S35. DOI: 10.1029/2006JD007565

Wolinsky, M. A.,  2007: Overpressure and slope stability in prograding clinoforms: Implications for marine morphodynamics. Journal of Geophysical Research Earth Surface, 112(F4):F04011.

Vriesendorp, C., Robert F. Stallard 2007: Overview and inventory sites. In Vriesendorp, C., et al., eds., Per: Nanay-Mazn-Arabela. Chicago: The Field Museum, Rapid Biological Inventories Report 17: 111 114. [Also in Spanish: Panorama y sitios de muestreo, 41 44.]

Detlev Helmig, Bocquet, F., Cohen, L., Oltmans, S. J. 2007: Ozone uptake to the polar snowpack at Summit, Greenland. Atmospheric Environment, 41(24): 5061 5076.

Guido, Z. S., Ward, D. J., Robert S. Anderson 2007: Pacing the post-LGM demise of the Animas Valley glacier and the San Juan Mountain Icecap, Colorado. Geology, 35 (8): 739-742. DOI: 10.1130/G23596A

Lange C., Pantoja, S., Rebolledo, L., Julio Sepúlveda, Figueroa, D. 2007: Paleoclimatic archives from Chilean fjord sediments. Centro de Investigación Oceanográfica en el Pacífico Sur-Oriental, Universidad de Concepción, Chile. Newsletter 14, 1-2.

McKenzie, V. J., Townsend, A. R. 2007: Parasitic and infectious disease responses to changing global nutrient cycles. Ecohealth, 4(4): 384-396.

Reed, S. C., Tim Seastedt, Mann, C. M., Cherwin, K, L., Katharine Suding, Townsend, A. R. 2007: Phosphorus fertilization stimulates nitrogen fixation and increases inorganic nitrogen concentrations in a restored prairie. Applied Soil Ecology, 36: 238-242. DOI: 10.1016/j.apsoil.2007.02.002

Brooks, M. L., Diane M. McKnight, Clements, W. 2007: Photochemical control of copper complexation by dissolved organic matter in Rocky Mountain Streams, Colorado USA. Limnology and Oceanography, 52(2): 766 779.

Brooks, M. L., Meyer, J. S., Diane M. McKnight 2007: Photooxidation of wetland and riverine dissolved organic matter: Altered copper complexation and organic composition. Hydrobiologia, 579: 95 113.

Suzanne Anderson, von Blanckenburg, F., White, A. F. 2007: Physical and chemical controls on the critical zone. Elements, 3: 315 319.

Goldstein, H. L., Richard Reynolds, Reheis, M. C., Yount, J. C. 2007: Physical and chemical data from eolian sediment collected along a transect from the Mojave Desert to the Colorado Plateau. U.S. Geological Survey Open File Report 2007-1153.

Parker, G., Wilcock, P. R., Paola, C., Dietrich, W. E.,  2007: Physical basis for quasi-universal relations describing bankfull hydraulic geometry of single-thread gravel bed rivers. Journal of Geophysical Research Earth Surface, 112(F4): F04005.

Bush, R. T., Tim Seastedt, Buckner, D. 2007: Plant community dynamics in response to the decline of a dominant invasive plant, Centaurea diffusa, in a Colorado grassland. Ecological Restoration, 25: 169-174.

Larry Benson, Berry, M. S., Jolie, E. A., Spangler, J. D., Stahle, D. W., Hattori, E. M. 2007: Possible impacts of early-11th, middle-12th, and late-13th-century droughts on western Native Americans and the Mississippian Cahokians. Quaternary Science Reviews, 26(3-4): 336 350. DOI: 10.1016/j.quascirev.2006.08.001

Breiter, N. C., Tim Seastedt 2007: Post-release evaluation of Mecinus janthinus host specificity, a biological control for invasive toadflax (Linaria spp.). Weed Science, 55: 164 168.

Jaia Syvitski, , Wiberg, P. L., Steckler, M. S., Garcia, M. H., Geyer, W. R., Harris, C. K., Eric Hutton, Imran, J., Lee, H. J., Morehead, M. D., Parker, G. 2007: Prediction of margin stratigraphy. In Nittrouer, C. A., et al. (eds.), Continental-Margin Sedimentation: From Sediment Transport to Sequence Stratigraphy. IAS Special Publication 37: 459 530.

Jaia Syvitski 2007: Principles, methods and applications of particle size analysis. New York: Cambridge University Press, 3rd edition.

Fimmen, R. L., Cory, R. M., Chin, Y., Trouts, T. D., Diane M. McKnight 2007: Probing the oxidation-reduction properties of terrestrially and microbially derived dissolved organic matter. Geochimica Cosmochimica Acta, 71(12): 3003 3015.

Williams, J. W., Jackson, S. T., Kutzbach, J. E. 2007: Projected distributions of novel and disappearing climates by 2100 AD. Proceedings of the National Academy of Sciences, 104: 5738 5742.

John T. AndrewsDennis Eberl 2007: Quantitative mineralogy of surface sediments on the Iceland shelf, and application to down-core studies of Holocene ice-rafted sediments. Journal Sedimentary Research, 77: 469 479.

Champagnac, J. D., Molnar, P., Robert S. Anderson, Sue, C., Delacou, B. 2007: Quaternary erosion-induced isostatic rebound in the western Alps. Geology, 35 (3): 195 198.

, Clark, M. P. Hay, L. E. 2007: Rain-on-snow events in the western United States. Bulletin of the American Meteorological Society, 88: 319 328.

Diane M. McKnight, Tate, C. M., Edmund Andrews, Niyogi, D. K., Karen Cozzetto, Welch, K., Lyons, W. B., Capone, D. G. 2007: Reactivation of a cryptobiotic stream ecosystem in the McMurdo Dry Valleys, Antarctica: A long-term geomorphological experiment. Geomorphology, 89(1-2): 186-204.

Oerlemans, J., Dyurgerov, M. B., van de Wal, R. S. W. 2007: Reconstructing the glacier contribution to sea-level rise back to 1850. The Cryosphere, 1: 59 65.

Vladimir G. Konovalov, Desinov, L. V. 2007: Remote sensing monitoring of the long-term regime of the Pamirs glaciers. Remote Sensing for Environmental Monitoring and Change Detection; Proceedings of Symposium HS3007 at IUGG2007, Perugia, July 2007. IAHS Publication 316: 149 156.

John F. Hoffecker 2007: Representation and recursion in the archaeological record. Journal of Archaeological Method and Theory, 14(4): 359 387.

Tim Seastedt 2007: Resourceful invaders. Nature, 446: 985 986.

Edmund Andrews, Vincent, K. R. 2007: Sand deposition in shoreline eddies along five Wild and Scenic Rivers, Idaho. River Research and Applications, 23(1): 7-20. DOI: 10.1002/rra.960

Paul Brooks, Haas, P. A., Huth, A. K. 2007: Seasonal variability in the concentration and flux of organic matter and inorganic nitrogen in a semiarid catchment, San Pedro River, Arizona. Journal of Geophysical Research Biogeosciences, 112: G03S04. DOI: 10.1029/2006JG000275

Parsons, J., Friedrichs, C., Garcia, M., Imran, J., Mohrig, D., Parker, G., , Puig, P., Jaia Syvitski, Traykovski, P, 2007: Sediment gravity flows: Initiation, transport and deposition. In Nittrouer, C. A., et al. (eds.), Continental-Margin Sedimentation: From Sediment Transport to Sequence Stratigraphy. IAS Special Publication 37: 275 338.

Draut, A. E., Bothner, M. H., Richard Reynolds, Buchan, O. C., Cochran S. A., Casso M. A., Baldwin S. M., Goldstein, H., Xiao, J., Field, M. E., Logan, J. B, 2007: Sedimentary properties of shallow marine cores collected in June and September 2006, Hanalei Bay, Kaua i, Hawai i. U.S. Geological Survey Data Series 289.

Detlev Helmig, Ortega, J., Duhl, T., Tanner, D., Guenther, A., Harley, P., Wiedinmyer, C., Milford, J., Sakulyanontvittaya, T. 2007: Sesquiterpene emissions from pine trees: Identifications, emission rates and flux estimates for the contiguous United States. Environmental Science and Technology, 41: 1545-1553.

Wrum, F. P., Carricart-Ganivet, J. P., Benson, L. Vk, Golicher, D. 2007: Simulation and observations of annual density banding in skeletons of Montastraea (Cnidaria: Scaleractinia) growing under thermal stress associated with ocean warming. Limnology and Oceanography, 52(5): 2317 2323.

Natalie MladenovDiane M. McKnight, Wolski, P. 2007: Simulation of DOM fluxes in a seasonal floodplain of the Okavango Delta, Botswana. Ecological Modelling, 205(1-2): 181 195.

John, R., Dalling, J. W., Harms, K. E., Yavitt, J. B., Robert F. Stallard, Mirabello, M., Hubbell, S. P., Valencia, R., Navarrete, H., Vallejo, M., Foster, R. B. 2007: Soil nutrients influence spatial distributions of tropical tree species. Proceedings of the National Academy of Sciences of the United States, 104(3): 864 869.

Harris, K. J., Carey, A. E., Lyons, W. B., Welch, K. A., Andrew G. Fountain 2007: Solute and isotope geochemistry of subsurface ice melt seeps in Taylor Valley, Antarctica. Geological Society of America Bulletin, 119(5-6): 548 555.

Bade, D. L., Carpenter, S. R., Cole, J. J., Pace, M. L., Kritzberg, E., Van de Bogert, M. C., Cory, R. M., Diane M. McKnight 2007: Sources and fates of dissolved organic carbon in lakes as determined by whole-lake carbon isotope additions. Biogeochemistry, 84(2): 115 129.

Jackson, K. M., Andrew G. Fountain 2007: Spatial and morphological change on Eliot Glacier, Mount Hood, Oregon, USA. Annals of Glaciology, 46: 222 226.

Clayton, J. A.,  2007: Spatial and temporal variations in bed load transport intensity in a gravel bed river bend. Water Resources Research, 43(2): W02426.

Castellano, S. M., Boyce, R. L. 2007: Spatial patterns of Juniperus virginiana and Lonicera maackii on a road cut in Kentucky. Journal of the Torrey Botanical Society, 134(2): 188 198.

Paul Brooks, Lemon, M. M. 2007: Spatial variability in dissolved organic matter and inorganic nitrogen concentrations in a semiarid stream, San Pedro River, Arizona. Journal of Geophysical Research Biogeosciences, 112: G03S05. DOI: 10.1029/2006JG000262

Pierre Y. Julien, Kane, B. 2007: Specific degradation of watersheds. International Journal of Sediment Research, 22(2): 114 119.

Ferretti, D. F., Miller, J. B., James W. C. White, Lassey, K. R., Lowe, D. C., Etheridge, D. M. 2007: Stable isotopes provide revised global limits of aerobic methane emissions from plants. Atmospheric Chemistry and Physics, 7: 237-241. DOI: 10.5194/acp-7-237-2007

Gough, L. P., Crock, J. G., Wang. B., Day, W. C., Dennis Eberl, Sanzolone, R. F., Lamothe, P. J. 2007: Substrate geochemistry and soil development in boreal forest and tundra ecosystems in the Yukon-Tanana upland and Seward Peninsula, Alaska. U.S. Geological Survey Scientific Investigations Report 2088-5010.

Liang, Q., Jaegle, L., Hudman, R. C., Turquety, S., Jacob, D. J., Avery, M., Browell, E. V., Sachse, G. W., Blake, D. R., Brune, W., Ren, X., Cohen, R. C., Dibb. J. E., Alan Fried, Fuelberg, H., Porter, M., Heikes, B. G., Huey, G., Singh, H. B., Wennberg, P. O. 2007: Summertime influence of Asian pollution in the free troposphere over North America. Journal of Geophysical Research—Atmospheres, 112: D12S11. DOI: 10.1029/2006JD007919

Hudman, R. C., Jacob, D. J., Turquety, S., Leibensperger, E. M., Murray, L. T., Wu, S., Gilliland, A. B., Avery, M., Sachse, G. W., Bertram, T. H., Cohen, R. C., Wooldridge, P. J., Brune, W., Ren, X., Dibb, J. E., Flocke, F. M., Alan Fried, Holloway, J., Newman, A., Ryerson, T. B., Orville, R., Singh, H. B. 2007: Surface and lightning sources of nitrogen oxides in the United States: Magnitudes, chemical evolution and outflow. Journal of Geophysical Research—Atmospheres, 112: D12S05. DOI: 10.1029/2006JD007912

Larry Benson, , Kubik, P., McDonald, R. R. 2007: Surface-exposure ages of Front Range moraines that may have formed during the Younger Dryas, 8.2 cal ka, and Little Ice Age events. Quaternary Science Reviews, 26(11-12): 1638 1649. DOI: 10.1016/j.quascirev.2007.02.015

John F. Hoffecker 2007: Taymyr: The archaeology of northernmost Eurasia. Journal of Anthropological Research, 63(1): 100-102.

Craig M. Lee 2007: Text box 4.2; Microblade technology in Beringia. In Hoffecker, J. F. and Elias, S. A. (eds.) Human Ecology of Beringia. New York: Columbia University Press, 122 125.

Alton C. Byers 2007: The Alpine Conservation Partnership: A global initiative to protect and restore alpine ecosystems. American Alpine Journal, Winter.

Clarke, S. J., Gifford H. Miller, Murray-Wallace, C. V., David, B., Pasveer, J. M. 2007: The geochronological potential of isoleucine epimerisation in cassowary and megapode eggshells from archaeological sites. Journal of Archaeological Science, 34: 1051 1063.

James W. C. White, Ferretti, D. F., Miller, J. B., Etheridge, D. M., Lassey, K. R., Lowe, D. C., MacFarling, C. M., Dreier, M. F., Trudinger, C. M., van Ommen, T. 2007: The global methane budget over the last 2,000 years: 13CH4 reveals hidden information. In Dawson, T. E., and Siegwolf, R. T. W. (eds.), Stable Isotopes as Indicators of Ecological Change. New York: Elsevier, 235-249.

Jouzel, J., Stievenard, M., Johnsen, S. J., Landais, A., Masson-Delmotte, V., Sveinbjornsdttir, A., Vimeux, F., von Grafenstein, U., James W. C. White 2007: The GRIP deuterium-excess record. Quaternary Science Reviews, 26: 1-17. DOI: 10.1016/j.quascirev.2006.07.015

W. Tad Pfeffer 2007: The Opening of a New Landscape: Columbia Glacier at Mid-retreat. American Geophysical Union Press.

Detlev Helmig, Ganzeveld, L., Butler, T., Oltmans, S. J. 2007: The role of ozone atmosphere-snow gas exchange on polar, boundary-layer tropospheric ozone: A review and sensitivity analysis. Atmospheric Chemistry and Physics, 7: 15 30.

John Behrendt 2007: The U.S. Antarctic Oversnow Geophysical-Glaciological Research Program of the International Geophysical Year (IGY) 1957-58, from the view of a research scientist participant. In Luedecke, C., ed., Steps of Foundation of Institutionalized Antarctic Research. Reports of Marine and Polar Research 560. Bremerhaven: Alfred-Wegener-Institut, 80 97.

Huntington, H. P., Hamilton, L. C., Nicolson, C., Brunner, R., Lynch, A., Astrid E. J. Ogilvie, Voinov, A. 2007: Toward understanding the human dimensions of the rapidly changing arctic system: Insights and approaches from five HARC projects. Regional Environmental Change, 7(4): 173-186. DOI: 10.1007/s10113-007-0038-0

Kraus, M. J., Riggins, S. 2007: Transient drying during the Paleocene Eocene Thermal Maximum (PETM): Analysis of paleosols in the Bighorn Basin, Wyoming. Palaeogeography, Palaeoclimatology, Palaeoecology, 245 (3-4): 444 461.

Hoffman, M. J., Andrew G. Fountain, Achuff, J. M. 2007: Twentieth-century variations in area of cirque glaciers and glacierets, Rocky Mountain National Park, Rocky Mountains, Colorado, USA. Annals of Glaciology, 46: 349 354. (

Harper, J. T., Humphrey, N. F., W. Tad Pfeffer, Lazar, B. 2007: Two modes of accelerated glacier sliding related to water. Geophysical Research Letters, 34: L12503. DOI: 10.1029/2007GL030233

England, J. F., Velleux, M. L., Pierre Y. Julien 2007: Two-dimensional simulations of extreme floods on a large watershed. Journal of Hydrology, 347(1-2): 229 241.

Bebbington, A., Connerty, M., Coxskill, W., O Shaughnessy, H., Mark Williams 2007: U.K. Mining in Peru: Threat to local communities and environment. 19 March 2007.

Dragoni, D., Schmid, H. P., Grimmond, C. S. B., Henry Loescher 2007: Uncertainty of annual net ecosystem productivity estimated using eddy covariance flux measurements. Journal of Geophysical Research—Atmospheres, 112(D17). DOI: 10.1029/2006JD008149

Hughen, K., Southon, J., Scott J. Lehman, Bertrand, C., Turnbull, J. 2007: Updated Cariaco Basin 14C calibration and activity record of the past 50,000 years. Quaternary Science Reviews. 25(23-24): 3216 3227. DOI: 10.1016/j.quascirev.2006.03.014

Cronin, G., McCutchan, J. H., , Lewis, W. M. 2007: Use of Shields stress to reconstruct and forecast changes in river metabolism. Freshwater Biology, 52(8): 1587 1601.

Vera Markgraf, Whitlock, C., Haberle, S. 2007: Vegetation and fire history during the last 18,000cal yr B.P. in Southern Patagonia: Malln Pollux, Coyhaique, Province Aisn (45412 303 S, 71502 303 W, 640m elevation). Palaeogeography, Palaeoclimatology, Palaeoecology, 254(3-2): 492 -507. DOI: 10.1016/j.palaeo.2007.07.008

, Wolock D.M. 2007: Warming may create substantial water supply shortages in the Colorado River basin. Geophysical Research Letters, 34: L22708, DOI: 10.1029/2007GL031764

Paul Brooks, Hogan, J. A., Meixner, T. 2007: Water in the Desert: Introduction to the special feature on river and riparian biogeochemistry. Journal of Geophysical Research, 112: G03S05. DOI: 10.1029/2007JG000556

Fairall C. W., Detlev Helmig, Ganzeveld L., Hare J. 2007: Water-side turbulence enhancement of ozone deposition to the ocean. Atmospheric Chemistry and Physics, 7: 443 451.

Wesley E. LeMasurier 2007: West Antarctic rift system. In Riffenburgh, B. (ed.), Encyclopedia of the Antarctic. New York: Routledge, 1060-1066.

Detlev Helmig, Oltmans, S. J., Morse, T. O., Dibb, J. E. 2007: What is causing high ozone at Summit, Greenland?. Atmospheric Environment, 41(24): 5031 5043.

Brook, B. W., Bowman, D. M. J. S., Burney, D. A., Flannery, T. F., Gagan, M. K., Gillespie, R., Johnson, C. N., Kershaw, A. P., Magee, J. W., Martin, P. S., Gifford H. Miller, Peiser, B., Prideaux, G. J., Roberts, R. G. 2007: Would the Australian megafauna have become extinct if humans had never colonised the continent? Comments on A review of the evidence for a human role in the extinction of Australian megafauna and an alternative explanation by S. Wroe and J. Field. Quaternary Science Reviews, 26(3-4): 560 564. DOI: 10.1016/j.quascirev.2006.10.008

Nittrouer, C. A., Austin, J. A., Field, M. E., Kravitz, J. H., Jaia Syvitski, Wiberg, P. L. 2007: Writing a Rosetta Stone: Insights into continental-margin sedimentary processes and strata. In Nittrouer, C. A., et al. (eds.), Continental-Margin Sedimentation: From Sediment Transport to Sequence Stratigraphy. IAS Special Publication 37: 1 48.