VIIRS/SNPP Deep Blue Level 3 monthly aerosol data, 1 degree x1 degree grid
简介
美国国家航空航天局（NASA）的可见红外成像辐射计套件（VIIRS）标准三级（L3）每月深蓝气溶胶产品来自苏米国家极轨伙伴关系（SNPP）仪器，提供全球陆地和海洋上空气溶胶光学厚度（AOT）的卫星衍生测量值及其网格集合特性。深蓝算法借鉴了以前从陆地和海洋上的海洋观测宽视场传感器（SeaWiFS）和陆地上的中分辨率成像分光仪（MODIS）测量中检索气溶胶光学厚度的应用。
该月度汇总产品（简称：AERDB_M3_VIIRS_SNPP）源自版本 2.0（V2.0）的每日 L3 网格产品（AERDB_D3_VIIRS_SNPP），以 1 x 1 度的水平分辨率网格提供。每日 L3 网格产品的算术平均值也为每月汇总产品的统计补充提供了依据。为了排除采样不佳的网格要素，该算法要求至少有 3 天的有效数据才能使给定的月度网格要素有效。该月度产品记录始于 2012 年 3 月 1 日。
该 L3 月度产品采用 netCDF 格式，包含 45 个科学数据集（SDS）图层，其名称与 L3 日度产品中的 SDS 相同，包括以下内容：
- Aerosol_Optical_Thickness_550_Land_Count
- Aerosol_Optical_Thickness_550_Land_Maximum
- Aerosol_Optical_Thickness_550_Land_Mean
- Aerosol_Optical_Thickness_550_Land_Minimum
- Aerosol_Optical_Thickness_550_Land_Ocean_Count
- Aerosol_Optical_Thickness_550_Land_Ocean_Maximum
- Aerosol_Optical_Thickness_550_Land_Ocean_Mean
- Aerosol_Optical_Thickness_550_Land_Ocean_Minimum
- Aerosol_Optical_Thickness_550_Land_Ocean_Standard_Deviation
- Aerosol_Optical_Thickness_550_Land_Standard_Deviation
- Aerosol_Optical_Thickness_550_Ocean_Count
- Aerosol_Optical_Thickness_550_Ocean_Maximum
- Aerosol_Optical_Thickness_550_Ocean_Mean
- Aerosol_Optical_Thickness_550_Ocean_Minimum
- Aerosol_Optical_Thickness_550_Ocean_Standard_Deviation
- Aerosol_Type_Land_Ocean_Histogram
- Aerosol_Type_Land_Ocean_Mode
- Aerosol_Types
- Angstrom_Exponent_Land_Maximum
- Angstrom_Exponent_Land_Mean
- Angstrom_Exponent_Land_Minimum
- Angstrom_Exponent_Land_Ocean_Maximum
- Angstrom_Exponent_Land_Ocean_Mean
- Angstrom_Exponent_Land_Ocean_Minimum
- Angstrom_Exponent_Land_Ocean_Standard_Deviation
- Angstrom_Exponent_Land_Standard_Deviation
- Angstrom_Exponent_Ocean_Maximum
- Angstrom_Exponent_Ocean_Mean
- Angstrom_Exponent_Ocean_Minimum
- Angstrom_Exponent_Ocean_Standard_Deviation
- Fine_Mode_Fraction_550_Ocean_Mean
- Fine_Mode_Fraction_550_Ocean_Standard_Deviation
- Land_Bands
- Latitude
- Latitude_1D
- Longitude
- Longitude_1D
- Ocean_Bands
- Spectral_Aerosol_Optical_Thickness_Land_Count
- Spectral_Aerosol_Optical_Thickness_Land_Mean
- Spectral_Aerosol_Optical_Thickness_Land_Standard_Deviation
- Spectral_Aerosol_Optical_Thickness_Ocean_Count
- Spectral_Aerosol_Optical_Thickness_Ocean_Mean
- Spectral_Aerosol_Optical_Thickness_Ocean_Standard_Deviation
- Unsuitable_Pixel_Fraction_Land_Ocean
| Shortname: | AERDB_M3_VIIRS_SNPP |
| Platform: | Suomi-NPP |
| Instrument: | VIIRS |
| Processing Level: | Level-3 |
| Data Format: | netCDF4 |
| Spatial Resolution: | 1 degree |
| Temporal Resolution: | monthly |
| ArchiveSets: | 5200, 5111 |
| Collection: | NPP and JPSS1 VIIRS data 2.0 (ArchiveSet 5200) |
| PGE Number: | NONE |
| File Naming Convention: | Syntax: ESDT.AYYYYDDD.CCC.YYYYDDDHHMMSS.Format
|
| Keywords: | SNPP VIIRS, L3, Monthly Aggregated, Deep Blue Aerosol Optical Thickness |
代码
!pip install leafmap
!pip install pandas
!pip install folium
!pip install matplotlib
!pip install mapclassifyimport pandas as pd
import leafmapurl = "https://github.com/opengeos/NASA-Earth-Data/raw/main/nasa_earth_data.tsv"
df = pd.read_csv(url, sep="\t")
dfleafmap.nasa_data_login()results, gdf = leafmap.nasa_data_search(short_name="AERDB_M3_VIIRS_SNPP",cloud_hosted=True,bounding_box=(-180.0, -90.0, 180.0, 90.0),temporal=("2000-01-01", "2024-04-25"),count=-1, # use -1 to return all datasetsreturn_gdf=True,
)gdf.explore()#leafmap.nasa_data_download(results[:5], out_dir="data")数据链接
VIIRS/SNPP Deep Blue Level 3 monthly aerosol data, 1x1 degree grid - LAADS DAAC
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