搜索结果: 1-15 共查到“Snow depth”相关记录18条 . 查询时间(0.041 秒)
VALIDATION OF THE DAILY PASSIVE MICROWAVE SNOW DEPTH PRODUCTS OVER NORTHERN CHINA
Snow Depth Products Snow Cover Passive Microwave Validation Northern China
2018/5/15
Passive microwave sensors have the capability to provide information on snow depth (SD), which is critically important for hydrological modeling and water resource management. However, the different a...
STUDY ON THE RETRIEVAL OF SNOW DEPTH FROM FY3B/MWRI IN THE ATCTIC
FY3B MWRI Sea Ice Concentration Snow Depth Brightness Temperature Radiometer
2016/11/30
temperatures. Given the high albedo and low thermal conductivity, snow is regarded as one of the key reasons for the amplification of the warming in polar regions. The distributions of sea ice and sno...
NOVEL SNOW DEPTH RETRIEVAL METHOD USING TIME SERIES SSMI PASSIVE MICROWAVE IMAGERY
Snow Depth Support Vector Regression Nonlinear Modeling Genetic Algorithm band combination
2016/11/30
The Special Sensor Microwave Imager (SSM/I) and the Special Sensor Microwave Imager Sounder (SSM/IS) are satellites that work in passive microwave range. The SSM/I has capability to measure geophysica...
COMPARISON OF DIGITAL SURFACE MODELS FOR SNOW DEPTH MAPPING WITH UAV AND AERIAL CAMERAS
snow height dense point cloud digital surface model aerial camera
2016/11/30
Photogrammetric workflows for aerial images have improved over the last years in a typically black-box fashion. Most parameters for building dense point cloud are either excessive or not explained and...
SNOW DEPTH ESTIMATION USING TIME SERIES PASSIVE MICROWAVE IMAGERY VIA GENETICALLY SUPPORT VECTOR REGRESSION (CASE STUDY URMIA LAKE BASIN)
Urmia Basin Snow Depth Support Vector Regression Wavelet Denoising Genetic Algorithm band reduction
2016/1/15
Lake Urmia is one of the most important ecosystems of the country which is on the verge of elimination. Many factors contribute to this crisis among them is the precipitation, paly important roll. Pre...
OPERATIONAL ASSIMILATION OF SNOW DEPTH MAPS FOR IMPROVED REAL TIME RUNOFF NOWCASTING WITH SPATIALLY DISTRIBUTED HYDROLOGICAL MODELS
Operational assimilation snow depth maps
2015/9/8
Representative real time information on snow depth and snow water equivalent is needed for several
practical purposes, above all avalanche warning and flood forecast and control in spring. This study...
EVALUATING THE CONSISTENCY OF REMOTE SENSING BASED SNOW DEPTH PRODUCTS IN ARID ZONE OF WESTERN CHINA
Snow ice depth global-environmental-databases evaluation data reliability western China
2014/4/29
Snow cover is a sensitive indicator of global climate change. Among various snow cover parameters, snow depth which can indicate snow accumulation is essential for retrieving snow water equivalent. In...
Snow depth and snow water equivalent estimation from AMSR-E data based on a priorisnow characteristics in Xinjiang, China
Snow depth Snow water equivalent Passive microwave Look-up table
2013/9/2
Static snow depth retrieval algorithms tend to underestimate the snow depth at the beginning of the snow season and overestimate the snow depth at the end of the snow season because the snow character...
Estimation of snow depth and snow water equivalent distribution using airborne microwave radiometry in the Binggou Watershed, the upper reaches of the Heihe River basin
Passive microwave Airborne remote sensing Snow depth Snow water equivalent Cold region
2013/9/2
We estimated the spatial distribution of snow depth/snow water equivalent (SD/SWE) in a mountainous watershed (Binggou, which is in the upper reaches of the Heihe River basin)...
Mapping snow depth return levels: smooth spatial modeling versus station interpolation
Mapping snow depth return levels smooth spatial modeling
2010/12/22
For adequate risk management in mountainous countries, hazard maps for extreme snow events are needed. This requires the computation of spatial estimates of return levels. In this article we use recen...
Nimbus-7 SMMR Polarization Responses to Snow Depth in the Mid-Western U.S.
Nimbus-7 SMMR Polarization Responses Snow Depth Mid-Western U.S.
2009/10/28
Analysis of January and February 1979 Scanning Multichannel Microwave
Radiometer (SMMR) data has revealed discrepancies in the responses of
vertically and horizontally polarized brightness temperatu...
Comparison of Ground-Based and Airborne Snow Depth Measurements with Georadar Systems,Case Study
Comparison Snow Depth Measurements Georadar Systems Case Study
2009/10/22
Snow depth measurements with the help of georadar (Ground Penetrating Radar, GPR) were investigated for almost two decades in Scandinavia. For the first tests in the early 1980s, results were of poor ...
Estimation of the Impact of Global Warming on Snow Depth in Japan by the Pseudo-Global-Warming Method
High-Snow-Cover Low-Snow-Cover Pseudo-Global-Warming Method
2009/4/13
A series of numerical experiments were conducted in order to investigate the impact of global warming on snow amount in Japan during early winter. After confirming the accuracy of hindcast simulations...
Snow depth as a function of canopy cover and other site attributes in a forested ungulate winter range in southeast British Columbia
canopy cover southeast British Columbia snow depth ungulate winter range
2009/1/9
Snow depth is considered a major influence on deer (Odocoileus spp.) winter distribution and abundance in northern parts of their range. Overstorey canopy cover is often considered a principal variabl...
Long-term Variation of Snow Depth in the Northern Hemisphere Based on SSM/I Data
SSM/I, AMSR-E Snow Microwave radiative transfer model remote sensing
2010/11/24
In the past, many of the relationships between Arctic oscillations and snow cover in the Eurasian Continent were discussed assuming a decadal cycle. However, the possibility of an annual rotation of t...