TY - Data T1 - MODIS remote sensing data set of Weihe River Basin (2015-2020) A1 - Zhang yaonan DO - 10.12072/ncdc.WRiver.db0041.2021 PY - 2022 DA - 2022-10-09 PB - National Cryosphere Desert Data Center AB - The data products of this dataset are mod21km and myd021km, which are MODIS_ Level 1b data. The dataset contains 0.4 in the electromagnetic spectrum μ M to 14.4 μ Calibration and geolocation aperture radiation of 36 discrete frequency bands in M region. These data are from MODIS_ Level 1A raw radiation scan. In addition, other data can be provided by understanding solar irradiation, including quality marks, error estimates and calibration data. Visible, short wave infrared and near-infrared measurements are carried out only during the day, while the radiation in the thermal infrared region (bands 20-25 and 27-36) is continuously measured. The resolution of channels 1 and 2 is 250m, the resolution of channels 3 to 7 is 500m, and the resolution of other channels is 1km. However, for MODIS_ L1B_ 1km product, 250m and 500m band radiation data and their related uncertainties have been aggregated to 1km resolution. Therefore, the entire channel dataset is referenced to the same spatial and geographic scale. These channels retain the original resolution of the data. These two data products are corrected earth observation data with 1km resolution, including 250m and 500m resampled data with 1km resolution The strips covered by Weihe River Basin are h26v05 and h27v05. The time range of strip h26v05 included in mod021km is 2015-2016 and 2019-2020; The time range of h27v05 is 2015-2019; There are about 1500 scenes per year (including daytime data only). The time range of band h27v05 included in myd021km is 2015-2019; There are about 3000 scenes every year (including the data of day and night). DB - NCDC UR - http://www.ncdc.ac.cn/portal/metadata/d2dc4470-c2cb-4118-b04a-b7c6bda3713b ER -