以美国的农作物面积数据获取方式为例,调查数据均经过严格科学的计划来实现,主体核心数据均由国家部门主导实施,并在发挥着全国性的影响力。例如1997年至今,美国农业部农业统计局实施的农田数据层计划(Cropland Data Layer Program,简称CDL计划),综合了清单抽样法与面积抽样法各自的优势,有力的确保了调查数据的标准化和...
2017. Regression model to estimate flood impact on corn yield using MODIS NDVI and USDA cropland data layer. Journal of Integrative Agriculture, 16,Shrestha R, Di L P, Eugene G, Yu E G, Kang L G, Shao Y Z, Bai Y Q. 2017. Regression model to estimate flood impact on corn yield ...
The USDA, NASS Cropland Data Layer (CDL) is a raster, geo-referenced, crop-specific land cover data layer with a ground resolution of 56 meters. The CDL is produced using satellite imagery from the Indian Remote Sensing RESOURCESAT-1 (IRS-P6) Advanced Wide Field Sensor (AWiFS) collected ...
2017. Regression model to estimate flood impact on corn yield using MODIS NDVI and USDA cropland data layer. Journal of Integrative Agriculture, 16,... RanjayShrestha,LipingDi,Eugene,... - 《Journal of Integrative Agriculture》 被引量: 11发表: 2017年 Regression model to estimate flood impact...
CropScape: A Web service based application for exploring and disseminating US conterminous geospatial cropland data products for decision support - Science... The Cropland Data Layer (CDL) contains crop and other specific land cover classifications obtained using remote sensing for the conterminous ...
Developed the LandPKS app to help farmers better monitor their soil and crop conditions to make better decisions about irrigating, weeding, and fertilizing crops. 2019 Grass-Cast uses historical data about weather and vegetation growth to predict how much grass will be available for livestock grazin...
This layer was produced from data downloaded using the USDA'sQuickStats Application. The data was transformed using the Pivot Table tool in ArcGIS Pro and joined to thecounty boundary fileprovided by the USDA. The layer was published as feature layer in ArcGIS Online. ...
As part of its effort to map the nation's farms and fields, the United States Department of Agriculture (USDA) has set out to establish the Common Land Unit (CLU) as a standardized GIS data layer that will allow mapping to be integrated easily on a nationwide basis. ...
gdalwarpwrapper for reproject/resample/crop/mosaic coordinate transformation spatial reference systems GDAL algorithms (dem_proc(),polygonize(),rasterize(),...) OGR vector utilities (ogrinfo(),ogr2ogr(),ogr_manageinterface) copy files/move/rename/delete raster and vector datasets ...
('NASA_USDA/HSL/SMAP_soil_moisture').filter(ee.Filter.date('2017-04-01','2017-04-30'));varsoilMoisture=dataset.select('ssm');varsoilMoistureVis={min:0.0,max:28.0,palette:['0300ff','418504','efff07','efff07','ff0303'],};Map.setCenter(-6.746,46.529,2);Map.addLayer(soil...