搜索结果: 1-15 共查到“知识库 the Arctic”相关记录251条 . 查询时间(0.157 秒)
Semi-Automated Semantic Segmentation of Arctic Shorelines Using Very High-Resolution Airborne Imagery, Spectral Indices and Weakly Supervised Machine Learning Approaches
land water segmentation remote sensing deep learning sparse labels
2023/12/5
Precise coastal shoreline mapping is essential for monitoring changes in erosion rates, surface hydrology, and ecosystem structure and function. Monitoring water bodies in the Arctic National Wildlife...
High North and High Stakes: The Svalbard Archipelago Could be the Epicenter of Rising Tension in the Arctic
High North High Stakes Svalbard Archipelago Epicenter of Rising Tension Arctic
2019/10/11
500 nautical miles north of the city of Tromsø, off of the northern cape of Norway, lies the Svalbard Archipelago; a collection of islands nearly one fourth the size of continental Norway with a ...
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...
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...
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 (...
Metabolic Responses to the Yukon Arctic Ultra: Longest and Coldest in the World
COLD EXPOSURE EXERCISE METABOLISM EXERTION
2018/4/24
Purpose The Yukon Arctic Ultra is considered the longest and coldest ultraendurance event in the world. Cold exposure and exercise has been reported to influence circulating levels of myokines, adipok...
On particles in the Arctic stratosphere
Arctic stratosphere ozone layer polar stratospheric clouds sulphate aerosols
2015/9/16
Soon after the discovery of the Antarctic ozone hole it became clear that particles in the polar stratosphere had
an infl uence on the destruction of the ozone layer. Two major types of particles, su...
Characteristics of the boundary layerat Ny-Ålesund in the Arctic during the ARTIST field experiment
Arctic sodar planetary boundary layer turbulence
2015/9/16
A preliminary analysis of boundary layer data acquired during the Arctic Radiation and Turbulence Interaction
Study Experiment (ARTIST) at Ny-Ålesund (Spitzbergen) in 1998 is presented. As expec...
FOREST REFLECTANCE MODELING IN THE ARCTIC REGION: RESULTS FROM A CASE STUDY IN FINLAND
slow accumulation organic matter
2015/9/9
The Arctic region, defined often as the region north from the polar circle (66o
32’ N), is characterized by
strong variations in sun light conditions - low intensity insolation with a protracted ph...
ALBEDO ASSESSMENT AND EVALUATION OVER ARCTIC SIBERIAN TUNDRA
Land surface albedo sensor intercomparison analysis.
2015/9/8
Land surface albedo is one of the key drivers of the Earth’s surface energy budget.
To study the feedback of land surface albedo changes – as induced by surface
changes (e.g., changing vegetation, s...
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 ...
Our goal is to greatly increase access to the Arctic Ocean by creating and demonstrating a safe and economical platform capable of basin-scale surveys. Specifically, we are developing an Autonomous Un...
HAUSGARTEN: Multidisciplinary Investigations at a Deep-Sea, Long-Term Observatory in the Arctic Ocean
Multidisciplinary Investigations Deep-Sea
2015/7/30
The marine Arctic has played an essential role in the history of our planet over the past 130 million years and contributes considerably to the present functioning of Earth and its life. The global cy...
The Arctic Coring Expedition (ACEX) Recovers a Cenozoic History of the Arctic Ocean
Arctic Coring Expedition (ACEX) Recovers a Cenozoic History Arctic Ocean
2015/7/24
The Arctic Ocean is a small, nearly landlocked ocean basin that is the shallowest in the world (Figure 1). It has maintained a polar location since forming in Early Cretaceous times (Grantz et al., 19...
Human exposure to anthropogenic contaminants is now a well-known phenomenon in the Canadian Arctic. Early work conducted on Baffin Island and in Nunavik has demonstrated that because of their traditio...