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林红磊等-SA:嫦娥五号揭示着陆区月表水含量(图)
嫦娥五号 着陆区 月表水含量
2023/1/16
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在全球变暖的背景下,高亚洲山地冰川受印度洋季风 和西风带的气候影响,大部分冰川出现了不同程度的消融 和退缩.同时,高亚洲作为除极地冰盖以外全球第二大的 冰川聚集地,是长江、怒江等亚洲7条河流的重要水源,被 称为“亚洲水塔”,养育世界1/3的人口,对区域内水资源、 水循环、气候与环境等有重要影响.然而,由于该区域地 形复杂、海拔较高等原因,只有少量的冰川具有实地观测 资料,难以开展大范围、高分辨率、...
川东地区发育典型的“侏罗山式”褶皱构造带,以北东走向的齐岳山断裂为界,南东侧为隔槽式褶皱,北西侧为隔挡式褶皱.中生代川东地区经历了自南东向北西的陆内递进变形,受多套滑脱层(基底拆离面、下寒武统页岩、志留系泥页岩和三叠系膏盐)的共同控制.但是,关于川东褶皱带的形成机制及其整体和分段形成时间仍存在较大争议.应用构造物理模拟方法,再现了川东“侏罗山式”褶皱带的形成过程,并分析了先存断裂及其倾角对川东褶皱...
RADIATIVE TRANSFER MODEL SIMULATIONS TO DETERMINE THE NIGHT TIME FOG DETECTION THRESHOLD
Fog detection, Radiative Transfer Model SBDART Indo-Gangetic plain Brightness temperature difference threshold Middle Infrared Thermal Infrared
2019/2/28
Every winter the Indo-Gangetic plains (IGP) of northern India are severely impacted both socially and economically by fog. For night time fog detection, visible imagery cannot be used. Also, as emissi...
A METHOD TO DEFINE THE SPATIAL STATIONS LOCATION IN A CARSHARING SYSTEM IN SÃO PAULO – BRAZIL
Transportation Systems Spatial Analysis Carsharing Station Location
2018/11/9
Sharing mobility systems have become part of a sociodemographic trend that has pushed shared modes from the fringe to the mainstream of the transportation systems. Carsharing is a mode of shared trans...
GRO(Global Navigation Satellite System Radio Occultation)和LRO(Low Earth Orbit Radio Occultation)联合组网探测地球大气是无线电掩星探测技术的主要发展方向.本文根据掩星事件的数学判据,仿真分析了LEO卫星主要轨道参数对GRO和LRO掩星事件数量和全球分布情况的影响.研究表明:卫星轨道越低GRO掩星事件越多;...
Spatiotemporal characteristics of urban air quality in China and geographic detection of their determinants
Air Quality Index (AQI) spatiotemporal characteristics geographic detector China
2018/4/9
Ambient air pollution brought by the rapid economic development and industrial production in China has exerted a significant influence on socio-economic activities and public health, especially in the...
ASTEROID (21) LUTETIA: SEMI-AUTOMATIC IMPACT CRATERS DETECTION AND CLASSIFICATION
Asteroid Lutetia Image processing Patter recognition Crater detection
2018/6/4
The need to develop an automated method, independent of lighting and surface conditions, for the identification and measurement of impact craters, as well as the creation of a reliable and efficient t...
COASTLINE DETECTION USING FUSION OF OVER SEGMENTATION AND DISTANCE REGULARIZATION LEVEL SET EVOLUTION
Coastline DRLSE FOOS K-means Clustering Sea-land Segmentation Wavelet Transform
2018/4/18
Coastline detection is a very challenging task in optical remote sensing. However the majority of commonly used methods have been developed for low to medium resolution without specification of the ke...