搜索结果: 1-10 共查到“测绘科学技术 snow cover”相关记录10条 . 查询时间(0.125 秒)
Hydrological Modelling and data assimilation of Satellite Snow Cover Area using a Land Surface Model,VIC
Snowmelt Runoff Beas VIC model MODIS SCA Data Assimilation Direct Insertion Ensemble kalman filter (EnKF)
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2016/11/30
The snow cover plays an important role in Himalayan region as it contributes a useful amount to the river discharge. So, besides estimating rainfall runoff, proper assessment of snowmelt runoff for ef...
ASSESSMENT OF FOUR TYPICAL TOPOGRAPHIC CORRECTIONS IN LANDSAT TM DATA FOR SNOW COVER AREAS
Landsat TM topographic correction Cosine correction C correction SCS correction SCS+C correction snow cover NDSI
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2016/7/4
The accuracy of snow cover information extraction in remote-sensing images dependent on a variety of factors, especially in mountain area with complex terrain. This paper aims at analyzing the accurac...
SNOW COVER AREA CHANGING ANALYSIS OVER TIBETAN PLATEAU WITH MODIS AND ASTER DATA
Changing analysis Snow cover Mapping Tibetan Plateau MODIS ASTER
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2016/1/3
The Tibetan Plateau is called "the third pole" of the Earth by its highest altitude. So it is the most sensitive area in the world to hydrological cycle and climatic change. Estimating and mapping the...
INTERCOMPARISON BETWEEN MODELLED AND SATELLITE-DERIVED SNOW COVER EXTENT WITHIN THE ALPINE AND SUBALPINE ZONE OF THE SWISS ALPS
subalpine zone Swiss Alps
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2015/9/8
Snow cover represents an important variable with a wide impact on the environmental and socio-economic
system within alpine regions such as the Swiss Alps. Snow cover has a relevance within the alpin...
SPACE-TIME SERIES OF MODIS SNOW COVER PRODUCTS FOR HYDROLOGIC SCIENCE
MODIS Snow Cover Products Hydrologic Scienc
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2015/9/8
The Moderate-Resolution Imaging Spectroradiometer flies on two NASA/EOS satellites, , each imaging
most of the Earth every day, Terra in the morning, Aqua in the afternoon. MODIS has 36 spectral band...
Comparative Analysis of Hyperspectral and Multispectral Data for Mapping Snow Cover and Snow Grain Size
Hyperion ASTER Landsat Snow grain size
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2014/12/15
The present study demonstrates the potential of imaging spectroscopy to produce the snow cover maps and estimation of snow grain size in the Himalayan region. Snow cover maps and snow grain size produ...
Enhancement of snow cover change detection with sparse representation and dictionary learning
Snow Cover Change Detection NDSI Sparse Representation K-SVD k-means clustering
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2014/12/15
Sparse representation and decoding is often used for denoising images and compression of images with respect to inherent features. In this paper, we adopt a methodology incorporating sparse representa...
ASSIMILATION OF MODIS SNOW COVER FRACTION FOR IMPROVING SNOW VARIABLES ES TIMATION IN WEST CHINA
MODIS SCA Data Assimilation Ensemble Kalman Filter Common Land Model Snow Depth Snow Hydrology
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2013/9/2
Accurate estimation of snow properties is important for effective water resources management especially in mountainous areas. In this work, we develop a snow data assimilation scheme based on ensemble...
A New Image Formation Model for the Segmentation of the Snow Cover in Mountainous Areas
A New Image Formation Model the Segmentation of the Snow Cover in Mountainous Areas
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2014/4/15
A New Image Formation Model for the Segmentation of the Snow Cover in Mountainous Areas.
Snow Cover Investigations by Means of ERS-SAR Imagery on the Antarctic Peninsula
Snow Cover Investigations Means of ERS-SAR Imagery on the Antarctic Peninsula
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2014/4/15
Snow Cover Investigations by Means of ERS-SAR Imagery on the Antarctic Peninsula.