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Recent News

Marine organisms face fatal horizon in Southern Ocean

Marine organisms face fatal horizon in Southern Ocean

Marine microorganisms in the Southern Ocean may find themselves in a deadly vise grip by century’s end as ocean acidification creates a shallower horizon for life, new INSTAAR-led research finds. The modeling study, published today in the journal Nature Climate Change, forecasts that at current carbon dioxide emission rates, the depth at which some shelled organisms can survive will shrink from an average of 1,000 meters today to just 83 meters by the year 2100, a drastic reduction in viable habitat. The steep drop, which could happen suddenly over a period as short as one year in localized areas, could impact marine food webs significantly and lead to cascading changes across ocean ecosystems, including disruptions of vital global fisheries.

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Professor Tim Seastedt receives Chase Faculty Community Service Award from CU System

Professor Tim Seastedt receives Chase Faculty Community Service Award from CU System

INSTAAR fellow Timothy Seastedt has been selected as the recipient of the 2019 Chase Faculty Community Service Award. The award is sponsored by an endowment from the Chase Corporation through the CU Foundation, and given to a full-time CU System faculty member who, in addition to university responsibilities, has provided exceptional educational, humanitarian, civic or other service in the community pro bono.

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A landscape unseen in over 40,000 years

A landscape unseen in over 40,000 years

Glacial retreat in the Canadian Arctic has uncovered landscapes that haven’t been ice-free in more than 40,000 years, and the region may be experiencing its warmest century in 115,000 years, new INSTAAR-led research finds. The study, published today in the journal Nature Communications, uses radiocarbon dating to determine the ages of plants collected at the edges of 30 ice caps on Baffin Island, west of Greenland.

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Events Calendar

INSTAAR Directorate meeting

Noon seminar - Tectonic geomorphology and soil edaphics as controls on animal migrations and early

Topic Tectonic geomorphology and soil edaphics as controls on animal migrations and early human settlement and dispersal

2019 Arctic Workshop - Stockholm, Sweden

4-5 April 2019 Stockholm University, Sweden Website: aw19.geo.su.se Email: arcticworkshop2019@gmail.com

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Seminars

Noon seminar - Tectonic geomorphology and soil edaphics as controls on animal migrations and early

Topic Tectonic geomorphology and soil edaphics as controls on animal migrations and early human settlement and dispersal

Noon seminar - Sarah Spaulding

Noon seminar - Changes in flooding in the 21st century

Coffee hour Coffee and cookies will be served starting at 11:45 a.m. outside S228.


Conferences

49th International Arctic Workshop 2019