搜索结果: 1-15 共查到“sea ice”相关记录106条 . 查询时间(0.078 秒)
Sea ice kept oxygen from reaching deep ocean during last ice age, study finds（图）
Sea ice oxygen reaching deep ocean during ice age
2021/3/5
Extensive sea ice covered the world's oceans during the last ice age, preventing oxygen from penetrating into deep ocean waters and complicating the relationship between oxygen and carbon, a new study...
More than 100 years of Arctic sea ice volume reconstructed from ships' logbooks（图）
Arctic sea ice volume reconstructed ships logbooks
2019/10/21
Our knowledge of dwindling sea ice coverage in the Arctic Ocean comes mostly through satellites, which have imaged sea ice from above since 1979. The University of Washington Pan-Arctic Ice Ocean and ...
Data from robotic drifters explain mysterious holes in Antarctic sea ice（图）
robotic drifters mysterious holes Antarctic sea ice
2019/10/28
Winter ice on the surface of Antarctica's Weddell Sea sometimes has an enormous hole called a polynya. A polynya that appeared in 2016 and 2017 offered a unique opportunity for oceanographers to monit...
PARAMETERS COMPARSION OF LEADS DETECTION IN ARCTIC SEA ICE USING CRYOSAT-2 WAVEFORM DATA
Arctic, Sea ice, Lead, Satellite altimetry
2018/5/14
Leads are only a small part of the polar sea ice structure, but they play a dominant role on the turbulence exchange between the ocean and the atmosphere, they are also important factors about sea ice...
SEA ICE THICKNESS MEASUREMENT BY GROUND PENETRATING RADAR FOR GROUND TRUTH OF MICROWAVE REMOTE SENSING DATA
Sea ice thickness measurement, Microwave remote sensing Ground truth Ground Penetrating Radar Brackish lake Finite-Difference Time-Domain method Dielectric constant
2018/5/15
Observation of sea ice thickness is one of key issues to understand regional effect of global warming. One of approaches to monitor sea ice in large area is microwave remote sensing data analysis. How...
MULTI-SCALE CHANGE ANALYSIS OF SEA ICE EXTENT IN ARCTIC
Arctic Sea Ice Extent Multi-Scale Change Analysis Melting Rate Change Cycle
2018/5/15
The extent of polar sea ice is one of the key parameters of cryosphere and polar environmental change, which plays an important role in the study of global climate change. In this paper, the monthly p...
THIN ICE AREA EXTRACTION IN THE SEASONAL SEA ICE ZONES OF THE NORTHERN HEMISPHERE USING MODIS DATA
Sea Ice Optical Sensor Global Warming Glaciology
2018/5/14
Sea ice has an important role of reflecting the solar radiation back into space. However, once the sea ice area melts, the area starts to absorb the solar radiation which accelerates the global warmin...
SEA ICE DRIFT MONITORING IN THE BOHAI SEA BASED ON GF4 SATELLITE
GF4 image Sea ice Sift MCC Monitor
2018/5/17
The Bohai Sea is the inland sea with the highest latitude in China. In winter, the phenomenon of freezing occurs in the Bohai Sea due to frequent cold wave influx. According to historical records, the...
INCORRECT MATCH DETECTION METHOD FOR ARCTIC SEA-ICE RECONSTRUCTION USING UAV IMAGES
Unmanned Aerial Vehicle Digital Surface Model Image Matching Arctic Sea-Ice
2018/6/4
Shapes and surface roughness, which are considered as key indicators in understanding Arctic sea-ice, can be measured from the digital surface model (DSM) of the target area. Unmanned aerial vehicle (...
Record-low 2016 Antarctic sea ice due to ‘perfect storm’ of tropical,polar conditions（图）
record-low 2016 antarctic sea ice perfect storm tropical polar conditions
2017/9/19
While winter sea ice in the Arctic is declining so dramatically that ships can now navigate those waters without any icebreaker escort, the scene in the Southern Hemisphere is very different. Sea ice ...
2017SPIE海洋，海冰，沿海水域和大型水域遥感专题会议（Remote Sensing of the Ocean,Sea Ice,Coastal Waters,and Large Water Regions 2017）
2017 SPIE 海洋，海冰，沿海水域和大型水域遥感 专题会议
2017/4/26
Remote sensing science is one of the most modern approaches for studying oceans, littoral regions, seas and large lakes, as well as sea ice covered regions. An important aspect of remote sensing scien...
Rapid decline of Arctic sea ice a combination of climate change and natural variability
Rapid decline Arctic sea ice climate change natural variability
2017/3/30
Arctic sea ice in recent decades has declined even faster than predicted by most models of climate change. Many scientists have suspected that the trend now underway is a combination of global warming...
Melting Sea Ice May Be Speeding Nature’s Clock in the Arctic
Melting Sea Ice Nature’s Clock the Arctic
2017/3/14
Spring is coming sooner to some plant species in the low Arctic of Greenland, while other species are delaying their emergence amid warming winters. The changes are associated with diminishing sea ice...
Arctic sea ice loss impacts beluga whale migration
Arctic sea ice loss beluga whale migration
2017/2/15
The annual migration of some beluga whales in Alaska is altered by sea ice changes in the Arctic, while other belugas do not appear to be affected.A new study led by the University of Washin...
FORECASTING ANTARCTIC SEA ICE CONCENTRATIONS USING RESULTS OF TEMPORAL MIXTURE ANALYSIS
Temporal mixture analysis times series model sea ice concentration AR model
2016/11/30
Sea ice concentration (SIC) data acquired by passive microwave sensors at daily temporal frequencies over extended areas provide seasonal characteristics of sea ice dynamics and play a key role as an ...