نتایج جستجو برای: ماهواره ی trmm

تعداد نتایج: 108137  

Journal: :Remote Sensing 2023

Rainfall-triggered flood and landslide hazards pose significant threats to human lives infrastructure worldwide. This study aims evaluate the applicability of three satellite rainfall data sets—namely, CMORPH, GPM, TRMM—for prediction using a coupled hydrological-slope stability model. The spatial distribution annual from sets was similar that gauge rainfall, with an increasing trend north sout...

Journal: :Remote Sensing 2017
Mou Leong Tan Zheng Duan

The evaluation of satellite precipitation products (SPPs) at regional and local scales is essential in improving satellite-based algorithms and sensors, as well as in providing valuable guidance when choosing alternative precipitation data for the local community. The Tropical Rainfall Measuring Mission (TRMM) has made significant contributions to the development of various SPPs since its launc...

2011
CHRISTIAN D. KUMMEROW SARAH RINGERUD JODY CROOK DAVID RANDEL WESLEY BERG

The combination of active and passive microwave sensors on board the Tropical Rainfall Measuring Mission (TRMM) satellite have been used to construct observationally constrained databases of precipitation profiles for use in passive microwave rainfall retrieval algorithms over oceans. The method uses a very conservative approach that begins with the operational TRMM precipitation radar algorith...

2009
ROBINSON I. NEGRÓN JUÁREZ WENHONG LI RONG FU KATIA FERNANDES OLIVEIRA CARDOSO

Six rainfall datasets are compared over the Amazon basin, Northeast Brazil, and the Congo basin. These datasets include three gauge-only precipitation products from the Climate Prediction Center (CPC), Global Precipitation Climatology Center (GPCC), and Brazilian Weather Forecast and Climate Studies Center (CLMNLS), and three combined gauge and satellite precipitation datasets from the CPC Merg...

2003
Martin Yapur

Over the period of January 10 to the 18 2003, a student research team obtained snowfall measurements and weather data at Storm Peak Laboratory (SPL) in the vicinity of Steamboat Springs Colorado. These measurements were obtained in sequential collections of every three hours around the clock. The team registered four snowfall events with different water-equivalent precipitation amounts. Three-h...

در این مقاله بروز پدیده ی آشوب به ازای محدوده ای از پارامترها در دینامیک وضعیت ماهواره اثبات شده و یک کنترل کننده ی غیر خطی مناسب طراحی می گردد که ضمن حصول عملکرد مطلوب سیستم‌، کنترل وضعیت آشوبی را نیز تضمین کند‌. به این منظور با توجه به اینکه معادلات دینامیکی ماهواره ی سه محوره به صورت یک سیستم غیرخطی ناخودگردان توصیف می شود‌، ابتدا تکنیکی جهت محاسبه ی نماهای لیاپانف اینگونه سیستم ها که می توا...

2009
STEVEN C. CHAN SUMANT NIGAM

Diabatic heating is diagnosed from the 40-yr ECMWF Re-Analysis (ERA-40) circulation as a residue in the thermodynamic equation. The heating distribution is compared with the heating structure diagnosed from NCEP and 15-yr ECMWF Re-Analysis (ERA-15) circulation and latent heating generated from Tropical Rainfall Measuring Mission (TRMM) observations using the convective–stratiform heating (CSH) ...

2006
S. Shige H. Sasaki K. Okamoto T. Iguchi

[1] The Tropical Rainfall Measuring Mission (TRMM) version-6 rainfall products show the reduced bias between Precipitation Radar (PR) and TRMM Microwave Imager (TMI) rainfall estimates during the 1997/1998 El Niño event noted in version 5, but need to be verified. We investigate consistency between TMI-observed brightness temperatures (TBs) at 10 and 19 GHz channels and those simulated from the...

2004
J. Craig Collier Kenneth P. Bowman

[1] Hourly averaged precipitation rates from an ensemble of the Community Climate Model version 3 (CCM3) simulations for the 44-month period from January 1998 through August 2001 are compared to observations from the Tropical Rainfall Measuring Mission (TRMM) satellite. In order to have adequate sampling by the satellite, comparisons are made for 15 longitude 10 latitude boxes and for larger ge...

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