نتایج جستجو برای: nrcs اصلی
تعداد نتایج: 110826 فیلتر نتایج به سال:
This fact sheet has been developed to support the implementation of the Natural Resources Conservation Service Feed Management 592 Practice Standard. The Feed Management 592 Practice Standard was adopted by NRCS in 2003 as another tool to assist with addressing resource concerns on livestock and poultry operations. Feed management can assist with reducing the import of nutrients to the farm and...
This fact sheet has been developed to support the implementation of the Natural Resources Conservation Service Feed Management 592 Practice Standard. The Feed Management 592 Practice Standard was adopted by NRCS in 2003 as another tool to assist with addressing resource concerns on livestock and poultry operations. Feed management can assist with reducing the import of nutrients to the farm and...
This fact sheet has been developed to support the implementation of the Natural Resources Conservation Service Feed Management 592 Practice Standard. The Feed Management 592 Practice Standard was adopted by NRCS in 2003 as another tool to assist with addressing resource concerns on livestock and poultry operations. Feed management can assist with reducing the import of nutrients to the farm and...
Introduction This fact sheet has been developed to support the implementation of the Natural Resources Conservation Service Feed Management 592 Practice Standard. The Feed Management 592 Practice Standard was adopted by NRCS in 2003 as another tool to assist with addressing resource concerns on livestock and poultry operations. Feed management can assist with reducing the import of nutrients to...
The image intensity of high-resolution synthetic aperture radar (SAR) is closely related to the facet scattering distribution. In this paper, effects wind wave spectra, non-Gaussianity sea surface, and swell on distribution normalized cross section (NRCS) simulated by two-scale model (TSM) are analyzed comparing results with Sentinel-1 SAR data, Advanced Scatterometer (ASCAT) geophysical functi...
The purpose of this study was to develop a method for retrieving the rain rate from C-band (∼5.3 GHz) synthetic aperture radar (SAR) images during tropical cyclones (TCs). Seven dual-polarized (vertical-vertical [VV] and vertical-horizontal [VH]) Sentinel-1 (S-1) SAR were acquired in interferometric-wide (IW) swath mode Satellite Hurricane Observation Campaign. These collocated with rates measu...
The two-scale model (TSM) based on Bragg tilting is widely employed to the normalized radar cross section (NRCS) from sea surface in microwave bands. It also leads compound distribution when used represent of intensity high-resolution clutter. While TSM satisfactorily describes dynamical behavior polarized NRCS at moderate incidence angles for various states and frequencies, it fails consistent...
Synthetic Aperture Radar (SAR) plays a major role in identifying oil spills on the sea surface. However, obtaining information of spill thickness (volume) is still challenge. Emulsification an important process affecting and normalized radar cross section (NRCS) film. Experiments crude emulsification with C-band fully-polarized scatterometer were conducted combining airborne hyperspectral imagi...
Simulation Study on the Effect of Sand Digging and Heaping on Sar Imaging in the Pearl River Estuary
There are frequent sand digging and heaping activities in shoal in the Pearl River Estuary (PRE). Water depth has changed in patches, which can be imaged by synthetic aperture radar (SAR). According to SAR imaging mechanism of underwater bathymetry, a 3-D hydrodynamic model is used to demonstrate the temporal variations of the shoal topography changes due to sand digging and heaping. A microwav...
Developing GIS-Based Unit Hydrographs for Flood Management in Makkah Metropolitan Area, Saudi Arabia
Unit hydrographs (UH) are either determined from gauged data or derived using empirically-based synthetic unit hydrograph procedures. In Saudi Arabia, the discharge records may not be available either for several locations or for long time scales, and therefore synthetic unit hydrographs are crucial in flood and water resources management. Available metrological, geological, and land use datase...
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