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在R中读取Grib数据-读取乐队名称

[英]Reading Grib Data in R - reading band names

目前,我可以使用rgdal读取R中的grib文件,但我真的不知道该文件包含的乐队名称是什么。 例如,以下是我正在使用的grib数据。

http://hydro1.gesdisc.eosdis.nasa.gov/data/s4pa//GLDAS_V1/GLDAS_NOAH025SUBP_3H/2016/091/GLDAS_NOAH025SUBP_3H.A2016091.2100.001.2016099220519.grb

library(rgdal)
library(sp)

fname = "GLDAS_NOAH025SUBP_3H.A2016091.2100.001.2016099220519.grb"
gribdata = readGDAL(fname) 

summary(gribdata)

band01 = gribdata@data[[1]]
band28 = gribdata@data[[28]]
dim(band01) = c(1440,600)
dim(band28) = c(1440,600)

我可以阅读第一和第二十八个波段; 但我不知道这些频段是什么(哪些参数)。

“摘要”功能也无济于事。 请提供帮助,我如何学习此文件包含的乐队的名称?

自述文件 (与您指示的位置相同)指向此页面

Parameters:

Water Balance parameters
086: Average layer soil moisture (# layers: CLM, 10; Mosaic, 3; Noah, 4; VIC, 3)
065: Snow water equivalent
071: Total canopy water storage
132: Rainfall rate
131: Snowfall rate
099: Snowmelt
235: Surface runoff
234: Subsurface runoff
057: Total evapotranspiration

Energy Balance parameters
111: Net shortwave radiation
112: Net longwave radiation
122: Sensible heat flux
121: Latent heat flux
155: Ground heat flux
138: Average surface temperature
085: Average layer soil temperature (# layers: CLM, 10; Noah, 4)

Forcing parameters
204: Surface incident shortwave radiation
205: Surface incident longwave radiation
011: Near surface air temperature
051: Near surface specific humidity
032: Near surface wind magnitude
001: Surface pressure
132: Rainfall rate (included in Water Balance)
131: Snowfall rate (included in Water Balance)

Static parameters
Elevation
Dominant vegetation type
Soil sand fraction
Soil silt fraction
Soil clay fraction

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