Dataset Information

Conventions: CF-1.4
title: LANDMET Thermal Effective Infrared and Microwave Emissivity Ancillary data
author: William B. Rossow
producer: William B. Rossow
institution: The City College of New York NOAA/CREST
first_release_date: November 2016
source: Multiple Observational Sources
version_id: 1
citation: TBD
references: TBD
identifier_Product_DOI: 10.5067/MEASURES/LANDMET/ANC003
identifier_prouct_DOI_authority: http://dx.doi.org/
comment: Monthly mean emissivities,Version one produced at CCNY
processingLevel: 3
short_name: LANDMET_ANC_TEIME
long_name: LANDMET Ancillary Monthly Mean Thermal Effective Infrared and Microwave Emissivity Data L3
granule_id: LANDMET_ANC_TEIME_L3_19982007_v1.nc
format: netCDF-4 classic
range_beginning_time: 00:00:00
range_ending_time: 23:59:59
range_beginning_date: 1998-01-01
range_ending_date: 2007-12-31
production_run_date: 2016-11-22
production_run_time: 11:28:04


Variables in this Dataset

eqlon: Array of 32 bit Reals [eqcell = 0..41251]
long_name: Center longitude of equal-area cell
units: degrees_east
valid_min: 0.000000000000000
valid_max: 360.0000000000000
eqlat: Array of 32 bit Reals [eqcell = 0..41251]
long_name: Center latitude of equal-area cell
units: degrees_north
valid_min: -90.00000000000000
valid_max: 90.00000000000000
eqlon_index: Array of 16 bit Integers [eqcell = 0..41251]
long_name: Longitude index of equal-area cell
units: 1
valid_min: 1
valid_max: 360
eqlat_index: Array of 16 bit Integers [eqcell = 0..41251]
long_name: Latitude index of equal-area cell
units: 1
valid_min: 1
valid_max: 180
eqcells_in_zone: Array of 16 bit Integers [eqzone = 0..179]
long_name: Number of longitude cells in each equal-area zone
units: 1
valid_min: 1
valid_max: 360
eqarea: Array of 32 bit Integers [eqcell = 0..41251]
long_name: Equal-area cell area
units: km2
lon: Array of 32 bit Reals [lon = 0..359]
long_name: Longitude
units: degrees_east
valid_min: 0.000000000000000
valid_max: 360.0000000000000
bounds: lon_bounds
description: Center longitude of square grid cell
lon_bounds: Array of 32 bit Reals [lon = 0..359][edge = 0..1]
long_name: Begining and ending longitude for each longitude zone
units: degrees_east
lat: Array of 32 bit Reals [lat = 0..179]
long_name: Latitude
units: degrees_north
valid_min: -90.00000000000000
valid_max: 90.00000000000000
bounds: lat_bounds
description: Center latitude of square grid cell
lat_bounds: Array of 32 bit Reals [lat = 0..179][edge = 0..1]
long_name: Beginning and ending latitude for each latitude zone
units: degrees_north
sqlon_beg: Array of 16 bit Integers [eqcell = 0..41251]
long_name: Square grid beginning longitude index
units: 1
sqlon_end: Array of 16 bit Integers [eqcell = 0..41251]
long_name: Square grid ending longitude index
units: 1
land_fraction: Array of 16 bit Integers [eqcell = 0..41251]
long_name: Land Area fraction
units: 1
valid_min: 0
valid_max: 1
scale: 0.01000000000000000
FillValue: -9999
description: Fraction of Land found in equal area cell
reference: http://www.noacrest.org/rscg/Products/SCT/topo.html
height: Array of 16 bit Integers [eqcell = 0..41251]
long_name: Mean topographical height
units: m
valid_min: 5417
valid_max: -48
description: Mean topographical height above sea level taken from ISCCP
references: http://www.noacrest.org/rscg/Products/SCT/topo.html
sigma_height: Array of 16 bit Integers [eqcell = 0..41251]
long_name: standard deviation of topographic height
units: m
valid_min: 1744
valid_max: 0
description: standard deviation of mean topographical height taken from ISCCP
reference: http://www.noacrest.org/rscg/Products/SCT/topo.html
FDsiremis: Array of 32 bit Reals [time = 0..11][eqcell = 0..41251]
long_name: Broadband Thermal IR Emissivity
units: 1
valid_min: 0
valid_max: 1
_FillValue: -9999.00000
description: Monthly mean Broadband surface thermal ir emissivity taken from the ISCCP FD product it is the ratio of the upwelling long wave flux to the blackbody flux at a given surface skin temperature (including snow covered cells) Period covering 19980101 through 20071231
reference: http://www.ISCCP.giss.nasa.gov/projects/flux.html
mlabel: Array of Strings [microwave_channels = 0..6]
long_name: SSM/I Microwave channel label
units: 1
description: Microwave channel frequencies from SSM/I in vertical(v) and horizontal(h)
string_length: 5
smicemis: Array of 16 bit Integers [time = 0..11][eqcell = 0..41251][microwave_channels = 0..6]
long_name: Surface Microwave Emissivity assuming no snow
units: 1
valid_min: 0
valid_max: 1
scale_factor: 0.00100000005
_FillValue: -9999
description: Monthly Snow Free Emissivity at 4 frequencies and 2 polarizations ( e19v,e19h,e22v,e37v,e37h,e85v,e85h), taken from the combined analysis of SSM/I and window IR based on ISCCP DX product covering 1950101 through 20041231
reference: Aires,F., C. Prigent, W.B.Rossow and M.Rothstein,2001: A new neural network approach including first-guess for retrieval of atmospheric water vapor, cloud liquid water path, surface temeprature and emissivities over land from satellite microwave observations.J. Geophys.Res., 106,14,887-14,907.
sigma_smicemis: Array of 16 bit Integers [time = 0..11][eqcell = 0..41251][microwave_channels = 0..6]
long_name: Standard deviation of Surface Microwave Emissivity assuming no snow
units: 1
valid_min: 0
valid_max: 1
scale_factor: 0.00100000005
_FillValue: -9999
description: Monthly Emissivity Standard deviation at 4 frequencies and 2 polarizations ( e19v,e19h,e22v,e37v,e37h,e85v,e85h), taken from the combined analysis of SSM/I and window IR based on ISCCP DX product
reference: Aires,F., C. Prigent, W.B.Rossow and M.Rothstein,2001: A new neural network approach including first-guess for retrieval of atmospheric water vapor, cloud liquid water path, surface temeprature and emissivities over land from satellite microwave observations.J. Geophys.Res., 106,14,887-14,907.
wslwemis: Array of 32 bit Reals [eqcell = 0..41251]
long_name: Surface Longwave Emissivity weighted by Surface Cover
units: 1
valid_min: 0
valid_max: 1
_FillValue: -9999.00000
description: Emissivity map produced by using the ISCCP IREMIS table which reconciles AIR, MODIS And IIR for different surface types. The emissivities are then adjusted by the proportion of each surface type present in each equal grid cell
reference: http://www.noaacrest.org/rscg/Products/SCT/IREMISS.html; http://www.noaacrest.org/rscg/Pruducts/SCT/srftyp.html