搜索结果: 1-15 共查到“地球科学总论 Arctic”相关记录31条 . 查询时间(0.053 秒)
Microplastics in Arctic ecosystem discovered
microplastics Arctic ecosystem mollusks Coral red algae
2021/8/6
Around the Svalbard archipelago in the Arctic Ocean, rhodoliths made up of coralline red algae provide ecological niches for a wide variety of organisms. A team of researchers has recently discovered ...
Russian Arctic losing billions of tons of ice as climate warms
climate warm ice Russian Arctic
2021/8/3
Glaciers and ice caps in two archipelagos in the Russian Arctic are losing enough meltwater to fill nearly five million Olympic-size swimming pools each year, research shows.
Last ice-covered parts of summertime Arctic Ocean vulnerable to climate change
climate change summertime ice-covered part
2021/8/4
Last August, sea ice north of Greenland showed its vulnerability to the long-term effects of climate change. The region, part of what's known as the 'Last Ice Area' that could serve as a refuge for ic...
Rising greenhouse gases pose continued threat to Arctic ozone layer
ozone loss greenhouse gases climate change
2021/8/4
A new study shows that extremely low winter temperatures high in the atmosphere over the Arctic are becoming more frequent and more extreme because of climate patterns associated with global warming. ...
Tuning and assessment of the HYCOM-NORWECOM V2.1 biogeochemical modeling system for the North Atlantic and Arctic oceans
HYCOM-NORWECOM biogeochemical modeling system North Atlantic Arctic oceans
2015/8/6
The HYCOM-NORWECOM (HYbrid Coordinate Ocean Model–NORWegian ECOlogical Model) modeling system is used both for basic research and as a part of the forecasting system for the Arctic Marine Forecasting ...
Impacts of using spectral nudging on regional climate model RCA4 simulations of the Arctic
spectral nudging regional climate model RCA4 simulations of the Arctic
2014/12/12
The performance of the Rossby Centre regional climate model RCA4 is investigated for the Arctic CORDEX (COordinated Regional climate Downscaling EXperiment) region, with an emphasis on its suitability...
Climate and Environmental Change in Arctic Canada: Observations from Upper and Lower Murray Lakes, Ellesmere Island, Nunavut
Arctic Climate Holocene Lakes
2014/10/22
This study was designed with the overriding goal of improving our understanding of the nature, causes, and impacts of past climatic conditions in the High Arctic and to evaluate the potential impacts ...
Arctic Lake Sediments As Records Of Climate Change Using Rock Magnetic Properties and Paleomagnetic Data
Earth sciences Arctic Lacustrine Lake el'gygytgyn Mineralogy Paleoclimate Rock magnetism
2014/10/22
Two lakes were studied in detail for rock magnetic properties: Lake El'gygytgyn, a crater lake formed 3.6Ma in the Far Eastern Russian Arctic, and Heimerdalsvatnet, a Holocene coastal lake located in ...
Environmental Reconstructions from Laminated Lake Sediments, Lake C3, Ellesmere Island, Canadian High Arctic
Environmental Reconstructions Laminated Lake Sediments Lake C3 Ellesmere Island Canadian High Arctic
2014/10/22
Sediments in Lake C3, Ellesmere Island, Nunavut Canada (82°50’N, 78°2’W) contain annual laminations (varves), which provide a record of sediment accumulation for 1900+ years. Varve totals are based on...
Biomarker and Sedimentological Investigations of MIS 8 through MIS 12 from Lake El'gygytgyn, NE Arctic Russia
Biomarker Sedimentological Investigations MIS 8 MESES 12 from Lake El'gygytgyn NE Arctic Russia
2014/10/21
Multiple proxy analysis of lake sediment records are crucial for understanding changes in environmental and climate conditions over historical and geological time. Most recently, the use of biomarker ...
A GCM Comparison of Plio-Pleistocene Interglacial-Glacial Periods in Relation to Lake El’gygytgyn, NE Arctic Russia
A GCM Comparison of Plio-Pleistocene Interglacial-Glacial Periods Lake El'gygytgyn Arctic Russia
2014/10/21
Until now, the lack of time-continuous, terrestrial paleoenvironmental data from the Pleistocene Arctic has made model simulations of past interglacials difficult to assess. Here, we compare climate s...
Is Isostatic Rebound in Slow Spreading Gakkel Ridge of Arctic Region Due to the Climate Change? A Case Study
Isostatic Rebound Artic Region GPS Processing Crustal Deformation
2013/3/7
Ny-Alesund, Swalbard region which is located in the mid-ocean ridge of the Arctic Ocean, and named Gakkel ridge, is the slowest spreading ridge of the global system. In the present study an attempt ha...
Four Fourier transform spectrometers and the Arctic polar vortex:instrument intercomparison and ACE-FTS validation at Eureka during the IPY springs of 2007 and 2008
Four Fourier transform spectrometers Arctic polar vortex instrument intercomparison ACE-FTS validation
2010/2/8
The Canadian Arctic Atmospheric Chemistry Experiment Validation Campaigns have been carried out at Eureka, Nunavut (80.05° N, 86.42° W) during the polar sunrise period since 2004. During the Internati...
Sensitivity analysis of a wetland methane emission model based on temperate and arctic wetland sites
a wetland methane emission model temperate and arctic wetland sites
2010/1/21
Modelling of wetland CH4 fluxes using wetland soil emission models is used to determine the size of this natural source of CH4 emission on local to global scale. Most process models of CH4 formation a...
High resolution snow distribution data from complex Arctic terrain: a tool for model validation
High resolution snow distribution data complex Arctic terrain model validation
2009/12/9
Blowing snow and snow drifts are common features in the Arctic. Due to sparse vegetation, low temperatures and high wind speeds, the snow is constantly moving. This causes severe problems for transpor...