搜索结果: 1-15 共查到“知识库 工学 the Arctic”相关记录16条 . 查询时间(0.11 秒)
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 (...
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...
GNSS and SBAS System of Systems:Considerations for Applications in the Arctic
GNSS SBAS System Systems Considerations Applications
2015/6/24
Youth for GNSS (YGNSS) is a team created by the Space Generation Advisory Council on GNSS and the International Committee on GNSS (ICG). Composed of students and young professionals, Youth for GNSS ai...
Crowdsourcing Arctic Navigation Using Multispectral Ice Classification & GNSS
Crowdsourcing Arctic Navigation Multispectral Ice Classification GNSS
2015/6/24
Safe marine navigation in the Arctic is becoming more important with a growing interest in the region in recent years.With the summer Arctic sea ice extent having decreased by 50% since 1980, this now...
SPACEBORNE QUANTITATIVE ASSESSMENT OF PRIMARY PRODUCTION VARIATIONS IN THE ARCTIC OCEAN OVER THE PREVIOUS DECADE
Arctic Ocean Primary Production
2015/5/7
Spaceborne one month averaged data, predominantly from the Sea-viewing Wide Field-of-view Sensor (SeaWiFS) and partly from the Moderate Resolution Imaging Spectroradiometer (MODIS), were used to inv...
SPECTRAL UNIMIXING APPLIED TO VEGETATED ENVIRONMENTS IN THE CANADIAN ARCTIC FOR MINERAL MAPPING
Spectrum the vegetation environment map
2015/2/4
SPECTRAL UNIMIXING APPLIED TO VEGETATED ENVIRONMENTS IN THE CANADIAN ARCTIC FOR MINERAL MAPPING.
MODIS-Derived Arctic Land-Surface Temperature Trends
MODIS Aqua Terra Land-Surface Temperature Trends Arctic
2013/2/27
Across the Arctic changes in active layer, melting of glaciers and ground ice, thawing of permafrost and sequestration changes of carbon storage are driven in part by variations of land surface heat a...
Climate Change Associated with Global Teleconnections, Volcanic Eruptions, and the Arctic’s Snow-Ice Albedo in Godthab, Greenland
Godthab (Greenland) Climate Modes Teleconnections
2013/2/27
To study the impact of climate change on Godthab(Greenland), temperature and precipitation gathered from the Global Historical Climatology Network (GHCN) were analyzed for patterns within 1866-2011. B...
ARCTIC BASEMAPS IN GOOGLE MAPS
Google Maps Bathymetric data Multi resolution images Multibeam data processing
2014/6/12
The Ocean Mapping Group has been collecting data inthe Arctic since 2003 and there are approximately 2,000 basemaps. In the current online storage format used by the OMG, it is difficult to view the ...
A Review of the Climate-Change-Impacts’ Rates of Change in the Arctic
Climate Change Impacts Rates of Change Causal Network Arctic Ecosystems
2013/3/13
Climate Change is a global phenomenon that has a global scale impact. The current trend of climate change towards the warming of the globe has resulted in various changes in the geological, climatolog...
Influence by Shear Wave of Ice with Sea-surface to Sound Propagation Characteristics in Arctic Ocean using Elastic Parabolic Equation Method
Shear Wave of Ice Sound Propagation Characteristics Elastic Parabolic Equation Method
2009/8/19
Characteristics of pulse propagation in Arctic Ocean were calculated by elastic Parabolic Equation (PE) method based on rotated Pade approximation. It was assumed that the transmitter was placed at 10...
Retrieval of Sea Ice Emissivity and Integrated Retrieval of Surface and Atmospheric Parameters Over the Arctic from AMSR-E Data
Microwave radiometry polar regions sea ice emissivity cloud liquid water retrieval
2010/11/23
There is a lack of data on the state of the atmosphere and the surface in polar regions because of too few direct observations, which makes remote sensing methods especially important in these regions...