搜索结果: 1-13 共查到“理学 TRMM”相关记录13条 . 查询时间(0.049 秒)
高分辨率降水资料对水文建模和水资源管理至关重要。传统降水主要通过实地安置雨量计的方法来测定，然而，受到经济和技术的制约，难以表征区域尺度降雨分布（雨场，rain field），特别在偏远地区，雨量计分布更加稀疏。随着近10多年来遥感技术的发展，降雨卫星遥感为区域降水监测提供了技术支撑。迄今为止，已经有10余种卫星遥感降雨产品，其中TRMM被认为是最可靠的产品之一。然而，降雨的遥感监测受到多种因素的...
Evaluation of rainfall retrievals from SEVIRI reflectances over West Africa using TRMM-PR and CMORPH
rainfall West Africa SEVIRI reflectances TRMM-PR CMORPH
2011/3/14
This paper describes the evaluation of the KNMI Cloud Physical Properties – Precipitation Properties (CPP-PP) algorithm over West Africa. The algorithm combines condensed water path (CWP), cloud phase...
Assessing satellite-based precipitation estimates in the Southern Appalachian mountains using rain gauges and TRMM PR
satellite-based precipitation estimates Southern Appalachian mountains rain gauges TRMM PR
2010/9/10
A study was performed using the first full year of rain gauge records from a newly deployed network in the Southern Appalachian mountains. This is a region characterized by complex topography with oro...
Seasonal changes in diurnal rainfall cycle over and around the Indochina Peninsula observed by TRMM-PR
Seasonal changes diurnal rainfall cycle around the Indochina Peninsula
2010/9/10
This study used TRMM-PR data to examine seasonal changes in rainfall characteristics over the Indochina Peninsula, with a focus on the diurnal rainfall cycle. No distinct seasonal changes in the phase...
Relating surface backscatter response from TRMM precipitation radar to soil moisture:results over a semi-arid region
surface backscatter response TRMM precipitation radar soil moisture
2010/2/20
The Tropical Rainfall Measuring Mission (TRMM) carries aboard the Precipitation Radar (TRMMPR) that measures the backscatter (σ°) of the surface. σ° is sensitive to surface soil moisture and vegetatio...
Relating surface backscatter response from TRMM precipitation radar to soil moisture:results over a semi-arid region
surface backscatter response TRMM precipitation radar soil moisture semi-arid region
2010/3/5
The Tropical Rainfall Measuring Mission (TRMM) carries aboard the Precipitation Radar (TRMMPR) that measures the backscatter (σ°) of the surface. σ° is sensitive to surface soil moisture and vegetatio...
Performance of a rain retrieval algorithm using TRMM data in the Eastern Mediterranean
rain retrieval TRMM
2010/1/27
This study aims to make a regional characterization of the performance of the rain retrieval algorithm BRAIN. This algorithm estimates the rain rate from brightness temperatures measured by the TRMM M...
A TRMM-Calibrated infrared technique for rainfall estimation: application on rain events over eastern Mediterranean
A TRMM-Calibrated infrared technique rainfall estimation
2010/1/27
The aim is to evaluate the use of a satellite infrared (IR) technique for estimating rainfall over the eastern Mediterranean. The Convective-Stratiform Technique (CST), calibrated by coincident, physi...
TRMM多卫星降水分析资料揭示的青藏高原及其周边地区夏季降水日变化
TMPA 日变化 谐波分析 青藏高原
2009/5/4
本文在对比了TRMM多卫星降水分析TMPA(TRMM Multi-satellite Precipitation Analysis)资料和中国643个气象站观测降水量时空分布的基础上，采用2002~2006年夏季TMPA每小时降水量资料，用合成分析和谐波分析的方法研究了青藏高原及其周边地区夏季降水量和降水频率的日变化特征.分析结果表明，平均降水量和降水频率日变化谐波分析的标准振幅显示出青藏高原地区...
基于TRMM/TMI的亚洲夏季降水研究
TMI 降水差异 水凝物廓线
2009/3/4
利用热带测雨卫星(TRMM)微波成像仪(TMI)的长期观测资料, 对亚洲夏季降水的水平分布特征进行了统计分析, 指出了孟加拉湾北部沿岸, 中国南海南部, 赤道西太平洋暖池三个稳定的强降水中心. 并借助全球降水气候计划(GPCP)地表降水资料, 对亚洲范围内洋面, 陆面及6个典型区域的TMI降水准确性进行了评估, 结果表明利用TMI和GPCP资料对亚洲夏季降水的强弱降水中心及雨带位置的指示基本一致,...
利用TRMM降水资料对华南和长江流域夏季天气尺度波的对比分析
三维波谱分析 华南 长江流域
2009/3/3
利用1998~2003年共6 a的TRMM 3B42降水资料, 采用一种新的三维波谱分析方法, 对中国华南地区和长江流域夏季的天气尺度波进行了对比分析. 结果表明: 华南地区存在明显的向西传播的天气尺度波, 波数主要集中在9~21, 频率范围为: -0.22~-0.12 d-1; 而长江流域主要是向东传播的天气尺度波, 其波数也集中在9~21, 频率范围为: 0.20~0.29 d-1. 通过对这...
Precipitation climatology over Mediterranean Basin from ten years of TRMM measurements
Precipitation climatology Mediterranean Basin ten years TRMM measurements
2010/1/28
Climatological features of mesoscale rain activities over the Mediterranean region between 5° W–40° E and 28° N–48° N are examined using the Tropical Rainfall Measuring Mission (TRMM) 3B42 and 2A25 ra...
SST Observations of the Agulhas and East Madagascar Retroflections by the TRMM Microwave Imager
SST Observations the Agulhas East Madagascar Retroflections TRMM Microwave Imager
2008/6/6
The retroflections of the East Madagascar Current and Agulhas Current are complex rapidly evolving systems, the latter controlling the passage of warm salty water from the Indian Ocean to the Atlantic...