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Showing 1 to 20 of 49 for “"trmm"”.

  1. Verification of Satellite Derived Precipitation Estimates Over Complex Terrain: A Ground Truth Analysis for Nepal

    Athey, Ashley TaylorVirginia Tech2015

    … Tropical Rainfall Measuring Mission (TRMM) instrumentation play a key role in flood analysis and water resource management across many regions of the world where rain gauge data are sparsely available. Previous studies have produced conflicting results regarding the accuracy of …

    vt Repository record

  2. North American monsoon precipitation and its precursors: processes at the seasonal and diurnal scale

    Gaynor, NicoleUniversity of Illinois at Urbana-Champaign2014

    … (NARR), and Tropical Rainfall Measuring Mission (TRMM). Then WRF, MERRA, and NARR were used to investigate the relationships between precipitation and the other moisture budget variables, the large-scale flow, and atmospheric stability on the seasonal and diurnal scales. On both the seasonal and …

    uiuc Repository record

  3. Data assimilation and dynamical downscaling of remotely-sensed precipitation and soil moisture from space

    Lin, Liao-FanGeorgia Institute of Technology2016

    … and the Tropical Rainfall Measuring Mission (TRMM) 3B42 dataset) to hourly precipitation with a spatial resolution of less than 10 km. The system is able to assimilate and downscale daily soil moisture products at a gridded 36-km resolution obtained from the Soil Moisture and Ocean Salinity …

    gatech Repository record

  4. On the role of warm rain clouds in the tropics

    Rapp, Anita Denise, author, Kummerow, Christian D., advisorColorado State University. Libraries2008

    … using Tropical Rainfall Measuring Mission (TRMM) satellite measurements. The algorithm uses TRMM Microwave Imager (TMI) brightness temperatures that have been deconvolved to the 19-GHz field-of-view (FOV) to retrieve cloud liquid water path (LWP), total precipitable water, and wind speed. …

    colostate Repository record

  5. Rain and RELAMPAGO: analysis of the deep convective storms of central Argentina

    Kelly, Nathan Robert, author, Schumacher, Russ, advisor, Rasmussen, Kristen, committee member, Bell, Michael, committee member, Nelson, Peter, committee memberColorado State University. Libraries2023

    … events such as extreme precipitation. IMERG, TRMM 3B42, MERRA2 and ERA5 precipitation datasets were regridded to the same resolution and compared for 3-hourly heavy rainfall (99th and 99.9th percentile) in subtropical South America, which has some of the strongest convective storms on Earth. …

    colostate Repository record

  6. Ecosystem Net Primary Production Responses to Changes in Precipitation Using an Annual Integrated MODIS EVI

    Ponce Campos, GuillermoThe University of Arizona.2011

    … analysis with information from satellite TRMM for precipitation and MOD13Q1 from MODIS for EVI values at calendar and hydrologic year periods. The tested sites were located across the 6 major land cover types inAustralia, obtained from MODIS MCD12Q1 product and used to compare the …

    arizona-thes Repository record

  7. The influence of the Agulhas Current on two South African extreme weather events

    White, Sarah AprilDepartment of Oceanography2000

    … source of low level moisture for both storms. TRMM satellite imagery captured heavy rainfall above the high sea surface temperatures of the Agulhas Current. TRMM measurements of rainfall and latent heat in the atmosphere show that the high sea surface temperatures of the Agulhas Current …

    cape-town Repository record

  8. Influencia de la orografía en eventos de precipitación máxima en Chile central : regiones de Valparaíso, Metropolitana y O´Higgins

    Bustamante Morales, PabloUniversidad de Chile2018

    … de la Tropical Rainfall Measuring Mission (TRMM). Entre los principales resultados obtenidos se tiene que la precipitación máxima posee diferencias entre eventos de periodo de retorno de 10 años y aquellos de 50 y 100 años; los primeros dan máximos en las planicies litorales y Cordillera de …

    chile Repository record

  9. Dependence of tropical cirrus clouds on sea surface temperature and consequences for the Archean climate

    Rondanelli, Roberto FMassachusetts Institute of Technology2009

    … variation in area of upper level clouds using TRMM VIRS (Tropical Rainfall Measuring Mission, Visible Infrared Sounder) data. We quantify the effect of methodological choices on the magnitude of the observed correlations between upper level cloud cover and SST. We discuss several methodological …

    mit Repository record

  10. Microwave Remote Sensing of Saharan Ergs and Amazon Vegetation

    Stephen, Haroon2006

    … QuikScat (QSCAT), and the Precipitation Radar (TRMM-PR) aboard the Tropical Rain Monitoring Mission (TRMM) are used to model the backscatter response from sand dunes. Backscatter incidence and azimuth angle variation depends upon the slopes and orientations of the dune slopes. Sand dunes are …

    byu Repository record

  11. Investigation of the positive interaction between the primary and secondary circulation and the roles of different types of precipitation in tropical cyclone formation

    Fritz, Cody LeeUniversity of Illinois at Urbana-Champaign2017

    … from the Tropical Rainfall Measuring Mission (TRMM) Precipitation Radar (PR). Precipitation increases substantially within 36 h before genesis. Stratiform clouds, mid-level convection, and deep convection increase individually and all thereby contribute to the increasing precipitation. The …

    uiuc Repository record

  12. Wind Scatterometry with Improved Ambiguity Selection and Rain Modeling

    Draper, David W.2003

    … simple model formed via comparison of co-located TRMM PR and SeaWinds measurements characterizes the average effect of rain on SeaWinds backscatter. The model is generally accurate to within 3 dB over the tropics. The rain/wind backscatter model is used to simultaneously retrieve wind and rain …

    byu Repository record

  13. Tropical orographic rainfall regimes according to the tropical rainfall measuring mission

    Reed, KimberlyUniversity of Illinois at Urbana-Champaign2012

    … The Tropical Rainfall Measuring Mission (TRMM) precipitation radar (PR) 2A25v6 data is used to determine the vertical and horizontal structure and propagation of the precipitation systems as well as precipitation frequency and intensity. The resulting regimes defined by the variables and …

    uiuc Repository record

  14. Cross-validation of spaceborne radar and ground polarimetric radar observations

    Bolen, Steven M., author, Chandrasekar, V., advisor, Lile, Derek, committee member, Mielke, Paul, committee member, Bringi, V. N., committee memberColorado State University. Libraries2002

    … 1997, the Tropical Rainfall Measuring Mission (TRMM) satellite was launched. TRMM was the first dedicated mission to study rainfall in the tropics from space. The satellite operates in a nearly circular orbit at 350 km nominal altitude and 35 degree inclination. It carries several meteorological …

    colostate Repository record

  15. Land Surface Phenologies and Seasonalities Using Cool Earthlight in Temperate and Tropical Croplands

    Alemu, Woubet Gashaw2017

    … from the planetary surface. I used AMSR, MODIS, TRMM, and simplified surface energy balance (SSEB) data to study cropland dynamics from 2003-2015 in North Dakota, USA, the Canadian Prairie Provinces, Northern Eurasia, and East Africa: a contrast between crop exporting regions and a food insecure …

    sdstate Repository record

  16. Raindrop Size Distribution Retrieval And Evaluation Using An S-band Radar Profiler

    Fang, Fang

    … conducted Tropical Rainfall Measuring Mission (TRMM) field experiment in Central Florida in 1998. Also, the results of my analysis yielding precipitation retrievals are validated with an independent, simultaneous Joss-Waldvogel Disdrometer rain DSD observations that were collocated with the …

    ucf

  17. Use of First-Principle Numerical Models to Enhance the Understanding of the Operational Analysis of Space-Based Earth Radiation Budget Instruments

    Priestley, Kory JamesVirginia Tech1997

    … on NASA's Tropical Rainfall Measuring Mission (TRMM) spacecraft in November, 1997. Each CERES instrument will contain three scanning thermistor bolometer radiometers to monitor the longwave, 5.0 to >100 microns, and shortwave, 0.3 to 5.0 microns, components of the Earth's radiative energy …

    vt Repository record

  18. Application of remotely sensed environmental variables for predicting malaria cases in Nkomazi municipality South Africa

    University of Pretoria2016

    … satellites, in particular, Landsat, MODIS and TRMM and notified malaria cases acquired from the malaria control programme in Mpumalanga. This study found that satellite-derived climatic/environmental factors such as Rainfall from TRMM, NDVI, EVI, NDWI and LST from both Landsat and MODIS are …

    pretoria Repository record

  19. Optoelectronic Multifractal Wavelet Analysis for Fast and Accurate Detection of Rainfall in Weather Radar Images

    Dahale, Radhika

    … for the ground validation software (GVS) used by TRMM ground validity Project and a previous QC algorithm. Several statistical measures computed for different reflectivity ranges show that the proposed algorithm gives accuracy as high as 98.95%, which exceed the 97.46% maximum accuracy for the GVS …

    uno Repository record

  20. Spatial and Temporal Distribution of Groundwater Recharge in the West Bank Using Remote Sensing and GIS Techniques

    Khalaf, Adla JamilDurham University2010

    … sets of the Tropical Rainfall Measuring Mission (TRMM); runoff is given assumed values of 0.75 mm month-1 and 0.4 mm month-1 for the months of January and February, respectively. Recharge is quantified from November until March by applying the water balance method where evapotranspiration …

    durham Repository record

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