نتایج جستجو برای: ماهوارهی trmm
تعداد نتایج: 1319 فیلتر نتایج به سال:
In this paper, several attitude estimation designs are developed for the Tropical Rainfall Measurement Mission (TRMM) spacecraft. A contingency attitude determination mode is required in the event of a primary sensor failure. The final design utilizes a full sixth-order Kalman filter. However, due to initial software concerns, the need to investigate simpler designs was required. The algorithms...
This paper investigates the benefits of integrating coarse resolution satellite-derived precipitation estimates with quasi-point rain gauge data for generating a fine spatial resolution precipitation map product. To integrate the two precipitation data sources, a geostatistical downscaling and integration approach is presented that can account for the differences in spatial resolution between d...
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...
In this study, the authors compare six different rainfall datasets for South America with a focus on their representation of extreme rainfall during the monsoon season (December–February): the gauge-calibrated TRMM 3B42 V7 satellite product; the near-real-time TRMM 3B42 V7 RT, the GPCP 18 daily (1DD) V1.2 satellite–gauge combination product, the Interim ECMWF Re-Analysis (ERA-Interim) product; ...
A procedure to accurately resample spaceborne and ground-based radar data is described, and then applied to the measurements taken from the Tropical Rainfall Measuring Mission (TRMM) Precipitation Radar (PR) and the ground-based Weather Surveillance Radar-1988 Doppler (WSR-88D or WSR) for the validation of the PR measurements and estimates. Through comparisons with the well-calibrated, non-atte...
Extended abstract 1- Introduction In order to calculate the erosive power of rainfall, high-resolution precipitation data are necessary for rainfall erosion evaluation. However, collecting the required data on kinetic energy of the rainfall particles and precipitation rates with short-term temporal resolution is a time-intensive task, particularly in developing countries, and the collecte...
Precise estimation of the spatial and temporal characteristics rainfall is essential for producing reliable catchment response needed proper management water resources. However, in most parts world, gauged stations are sparsely distributed fail to properly capture variability rainfall. Furthermore, data can sometimes be short length or require validation. Following this, we present a procedure ...
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