نتایج جستجو برای: continuation of precipitation rain persistence

تعداد نتایج: 21174948  

2015
Nan-Ching Yeh Chung-Chih Liu

This study quantitatively estimated the precipitation associated with a typhoon in the northwestern Pacific Ocean by using a physical algorithm which included the Weather Research and Forecasting model, Radiative Transfer for TIROS Operational Vertical Sounder model, and data from the Tropical Rainfall Measuring Mission (TRMM)/TRMM Microwave Imager (TMI) and TRMM/Precipitation Radar (PR). First...

Journal: :Remote Sensing 2015
Shimelis B. Gebere Tena Alamirew Broder J. Merkel Assefa M. Melesse

Accurate estimation of rainfall in mountainous areas is necessary for various water resource-related applications. Though rain gauges accurately measure rainfall, they are rarely found in mountainous regions and satellite rainfall data can be used as an alternative source over these regions. This study evaluated the performance of three high-resolution satellite rainfall products, the Tropical ...

Journal: :مرتع و آبخیزداری 0
مسلم برجی حسن گاویار کارشناس ارشد آبخیزداری، دانشکده منابع طبیعی، دانشگاه تهران، ایران هادی اسکندری دامنه دانشجوی دکتری بیابان زدایی، دانشکده منابع طبیعی، دانشگاه هرمزگان، ایران. حسن خسروی استادیار دانشکده منابع طبیعی، دانشگاه تهران، ایران

nowadays, temperature increase, rainfall decrease and its effect on the time dynamics of carbon fixation cycle still are faced by many uncertainties. net primary production (npp) is one of the main factors of carbon cycle; precipitation and temperature measurement are known as two useful tools to study different ecosystems stability and resilience in terms of climate. hence, in this study, npp ...

2008
B. Thies

A new technique for process-oriented rain area classification using Meteosat Second Generation SEVIRI nighttime data is introduced. It is based on a combination of the Advective Convective Technique (ACT) which focuses on precipitation areas connected to convective processes and the Rain Area Delineation Scheme during Nighttime (RADS-N) a new technique for the improved detection of stratiform p...

2009
Thomas T. WILHEIT Christian D. KUMMEROW

In addition to its obvious use for measurement of rainfall, the Precipitation Radar (PR) is also quite useful for the determination of precipitation physics for the improvement of passive microwave algorithms The knowledge obtained from the radar can then be applied to the interpretation of the TRMM Microwave Imager (TMI) over its wider swath, and for that matter, for the interpretation of micr...

Journal: :Int. J. Satellite Communications Networking 2009
Emilio Matricciani

In [1], some input data required to calculate the long-term rain attenuation probability distributions for two sites (namely, Canberra and New Norcia) were mistaken. They were the long-term rain rate probability distribution and the precipitation height, both given by the ITU-R. For Canberra, the correct precipitation height (given by the ITU-R) is 3.688 km, instead of 2.870, for New Norcia is ...

2005
Rafael F. Rincon Robert Meneghini Roger Lang

This paper describes the theoretical basis and conceptual design of a dual-frequency radar and microwave link (radar/link) system capable of measuring simultaneously forward and backscatter from rainfall. The forward and backscattering radar/link system will enable small-scale rain studies essential in understanding the rainfall process, and make significant contributions to the investigation o...

2008
Soroosh Sorooshian Toshio Koike

The time-latitude cross section of climatological daily variations of Total Ozone Mapping Spectrometer–Aerosol Index (TOMS-AI) (upper panel) and the GEWEX Global Precipitation Climatology Project (GPCP) 5-day mean rainfall (lower panel) over the Indian subcontinent show that the high aerosol region in Northern India during June–July overlaps with the rain area, indicating that aerosols may inte...

Journal: :Applied and environmental microbiology 2001
J R Fuxa A R Richter

Significantly more occlusion bodies (OB) of DuPont viral construct HzSNPV-LqhIT2, expressing a scorpion toxin, were transported by artificial rainfall to cotton plants from sandy soil (70:15:15 sand-silt-clay) than from silt (15:70:15) and significantly more from silt than from clay (15:15:70). The amounts transported by 5 versus 50 mm of precipitation were the same, and transport was zero when...

Journal: :IEEE Trans. Geoscience and Remote Sensing 2009
Shoichi Shige Tomoya Yamamoto Takeaki Tsukiyama Satoshi Kida Hiroki Ashiwake Takuji Kubota Shinta Seto Kazumasa Aonashi Ken'ichi Okamoto

We develop an over-ocean rainfall retrieval algorithm for the Advanced Microwave Sounding Unit (AMSU) based on the Global Satellite Mapping of Precipitation (GSMaP) microwave radiometer algorithm. This algorithm combines an emissionbased estimate from brightness temperature (Tb) at 23 GHz and a scattering-based estimate from Tb at 89 GHz, depending on a scattering index (SI) computed from Tb at...

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