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1998-05-18
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Climatology Interdisciplinary Data Collection
------------------------------------------------------
I. Introduction
------------
This is the starting point to the Goddard DAAC Climatology Interdisciplinary
Data Collection (CIDC), available on CD-ROM. The file index.html is an html
version of this document which has links to all data and software documents.
We recomend that you access the CD's through this file using your Web Browser.
We have also supplied text (cd_booklet.txt) and Adobe Acrobat (cd_booklet.pdf)
versions of the brochure that comes with the CD-ROM.
----------------------------------------------------------------------------
II. CIDC Data Set Groups
--------------------
The CIDC consists mostly of monthly mean data from the atmospheric, oceanic,
and land use sciences have been placed on a common global map grid, with
standardized documentation. The Climatology Interdisciplinary Data Collection
has been subdivided into seven categories based on data source as well as the
parameters involved.
* Atmospheric dynamics & atmospheric sounding products
* Radiation and clouds
* Biosphere data
* Variable atmospheric constituents
* Surface temperature and pressure
* Hydrology data
* Remote sensing science
When practical, the data were put in a uniform spatial and temporal scale
(1 degree x 1 degree, monthly). The OVERVIEW document contains a table of
the data sets formats and characteristics and a second table lists
alphabetically all the physical parameters in the CIDC collection.
This dynamic data collection is being developed to meet the needs of
interdisciplinary scientists, teachers and students for climate data
concerning Global Change and seasonal and inter-annual variability. Climate
scenarios on Global Warming, El Ni±o and the Indian Monsoon have been
provided to give educators examples of topics in which the data can be used.
The graphics used in these scenarios were created using the Grid Analysis
and Display System (GrADS), which has also been put in this CD-ROM along
with the necessary meta-data files required to read and display the data.
We have also provided links to associated sites.
----------------------------------------------------------------------------
Climatology Interdisciplinary Data Available in this CD-ROM Collection
Below is a listing of data available in this CD-ROM collection, subdivided
into categories based on data source as well as the parameters involved.
Each README contains links to associated data directories.
Atmospheric Dynamics & Atmospheric Soundings
* DAO 4D Assimilation Monthly Mean Subset (CIDC2 CD-ROM)
* TOVS Atmospheric Soundings (CIDC4 CD-ROM)
Radiation and Clouds
* ERBE Radiation (CIDC3 CD-ROM)
* Solar Irradiance (CIDC3 CD-ROM)
* ISCCP C2 Clouds (CIDC3 CD-ROM)
* ISCCP D2 Products (CIDC3 CD-ROM)
* LaRC Surface Radiation Products (CIDC3 CD-ROM)
* GISS Surface Shortwave Radiation (CIDC3 CD-ROM)
The Biosphere
* AVHRR NDVI (CIDC1 CD-ROM)
* CZCS Ocean Pigment Concentration (CIDC1 CD-ROM)
* ISLSCP Global Land Cover (CIDC1 CD-ROM)
Variable Atmospheric Constituents
* TOMS Ozone (CIDC1 CD-ROM)
* CDIAC Greenhouse Gases (CIDC1 CD-ROM)
Measured Surface Temperatures & Pressures
* NCEP Sea Surface Temperature (CIDC1 CD-ROM)
* U. East Anglia Temperature Deviations (CIDC1 CD-ROM)
* U. East Anglia Southern Oscillation Index (CIDC1 CD-ROM)
* GISS Mean Global Temperatures (CIDC1 CD-ROM)
Hydrology
* SSMI Precipitable Water (CIDC1 CD-ROM)
* SMMR Snow Depth (CIDC1 CD-ROM)
* SMMR & SSMI Sea Ice Concentration (CIDC1 CD-ROM)
* GPCC Global Rain Gauge Analysis (CIDC1 CD-ROM)
* GPCP Global Combined Precipitation (CIDC1 CD-ROM)
* FAO Soil (CIDC1 CD-ROM)
* SMMR Monsoon Rain (CIDC1 CD-ROM)
Remote Sensing Science
* ERBE Angular Radiation Models (CIDC1 CD-ROM)
----------------------------------------------------------------------------
III. CIDC Data at the Virtual Domain Application Data Center
The Virtual Domain Application Data Center (VDADC), is located at George
Mason University's, Institute for Computational Sciences and Informatics
(CSI), Center for Earth Observing and Space Research (CEOSR). VDADC enables
browsing and analysis of CIDC data over the WWW, before down loading the data
over the Internet. A prototype of the VDADC, including an advance Java
version, is accessible at the following URL:
http://www.ceosr.gmu.edu/~vdadcp/
----------------------------------------------------------------------------
IV. Directory Structures for the CDs
--------------------------------
The directory structures for each of the CDs are listed here, followed by
a listing of text readme names.
CIDC 1 Directory Structure:
root
|--data
| |--atmo_constituents
| | |--greenhouse_gases
| | +--toms_ozone
| | +--yyyy
| |--biosphere
| | |--avhrr_ndvi
| | | +--yyyy
| | |--czcs_color
| | | |--yyyy
| | | +--climate
| | +--land_cover
| |--hydrology
| | |--precip
| | | |--gpcp
| | | | |--gpcc
| | | | | |--yyyy
| | | | | +--systematic_errors
| | | | +--gpcp_v1a_cmb
| | | | +--yyyy
| | | +--smmr_monsoon
| | | |--yyyy
| | | |--clim
| | | +--harm
| | |--sea_ice
| | | +--yyyy
| | |--smmr_snow
| | | +--yyyy
| | |--soil
| | +--ssmi_wvap
| | +--yyyy
| +--remote_sensing_science
| | +--erbe_angle
| | |--lwanis
| | |--lwflux
| | |--lwstdv
| | |--swalbd
| | |--swanis
| | |--swcorr
| | +--swstdv
| +--surf_temp_press
| |--ncep_sst
| | |--anom
| | | +--yyyy
| | |--clim
| | +--sst
| | +--yyyy
| |--soi
| +--tmp_dev
| |--e_anglia
| | |--yyyy
| | |--decades1851-1990
| | +--global_means
| +--giss
|--readmes
|--software
| |--decompression
| |--grads
| | |--alpha
| | |--dat
| | |--doc
| | | |--cards
| | | |--doty
| | | |--etc
| | | |--fiorino
| | | |--gagui
| | | |--hoop
| | | |--images
| | | |--magick
| | | |--manual
| | | +--tutorial
| | |--hpux
| | |--irix5
| | |--lib
| | | +--functions
| | |--linux5
| | |--mac
| | |--msdos
| | |--sunos4
| | +--win32
| |--read_cidc_sftwr
| +--xwin
+--www
+--graphics
CIDC 2 Directory Structure:
root
|--data
| +--assim_atmo_dyn
| |--one_layer_diag
| | |--cldfrc
| | | +--yyyy
| | |--evap
| | | +--yyyy
| | |--olr
| | | +--yyyy
| | |--osr
| | | +--yyyy
| | |--pbl
| | | +--yyyy
| | |--preacc
| | | +--yyyy
| | |--q2m
| | | +--yyyy
| | |--qint
| | | +--yyyy
| | |--radlwg
| | | +--yyyy
| | |--radswg
| | | +--yyyy
| | |--radswt
| | | +--yyyy
| | |--t2m
| | | +--yyyy
| | |--tg
| | | +--yyyy
| | |--ustar
| | | +--yyyy
| | |--vintuq
| | | +--yyyy
| | |--vintvq
| | | +--yyyy
| | |--winds
| | | +--yyyy
| | +--z0
| | +--yyyy
| |--surf_prog
| | |--lwi
| | | +--yyyy
| | |--psptop
| | | +--yyyy
| | +--slp
| | +--yyyy
| +--upper_air_prog
| |--hght
| | +--yyyy
| |--sphu
| | +--yyyy
| |--tmpu
| | +--yyyy
| |--uwnd
| | +--yyyy
| +--vwnd
| +--yyyy
|--readmes
|--software
| |--decompression
| |--grads
| | |--alpha
| | |--dat
| | |--doc
| | | |--cards
| | | |--doty
| | | |--etc
| | | |--fiorino
| | | |--gagui
| | | |--hoop
| | | |--images
| | | |--magick
| | | |--manual
| | | +--tutorial
| | |--hpux
| | |--irix5
| | |--lib
| | | +--functions
| | |--linux5
| | |--mac
| | |--msdos
| | |--sunos4
| | +--win32
| |--read_cidc_sftwr
| +--xwin
+--www
+--graphics
CIDC 3 Directory Structure:
root
|--data
| +--radiation_clouds
| |--erbe_rad
| | |--yyyy
| | +--gif
| |--isccp_c2
| | |--cldfrc
| | | +--yyyy
| | |--cldprs
| | | +--yyyy
| | |--cldtau
| | | +--yyyy
| | |--cldtmp
| | | +--yyyy
| | |--srfref
| | | +--yyyy
| | +--srftmp
| | +--yyyy
| |--isccp_d2
| | |--acifrc
| | | +--yyyy
| | |--aclfrc
| | | +--yyyy
| | |--asifrc
| | | +--yyyy
| | |--aslfrc
| | | +--yyyy
| | |--cifrc
| | | +--yyyy
| | |--cldfrc
| | | +--yyyy
| | |--cldprs
| | | +--yyyy
| | |--cldtau
| | | +--yyyy
| | |--cldtmp
| | | +--yyyy
| | |--cldwpt
| | | +--yyyy
| | |--clfrc
| | | +--yyyy
| | |--crfrc
| | | +--yyyy
| | |--crsfrc
| | | +--yyyy
| | |--dcfrc
| | | +--yyyy
| | |--irhfrc
| | | +--yyyy
| | |--irhprs
| | | +--yyyy
| | |--irhtmp
| | | +--yyyy
| | |--irlfrc
| | | +--yyyy
| | |--irlprs
| | | +--yyyy
| | |--irltmp
| | | +--yyyy
| | |--irmfrc
| | | +--yyyy
| | |--irmprs
| | | +--yyyy
| | |--irmtmp
| | | +--yyyy
| | |--iscvr
| | | +--yyyy
| | |--nsifrc
| | | +--yyyy
| | |--nslfrc
| | | +--yyyy
| | |--scifrc
| | | +--yyyy
| | |--sclfrc
| | | +--yyyy
| | |--sifrc
| | | +--yyyy
| | |--slfrc
| | | +--yyyy
| | |--srfref
| | | +--yyyy
| | |--srftmp
| | | +--yyyy
| | |--tvprs
| | | +--yyyy
| | |--tvprw1
| | | +--yyyy
| | |--tvprw6
| | | +--yyyy
| | +--tvtmp
| | +--yyyy
| |--solar_irrad
| |--solrad_sw
| | |--yyyy
| | +--srfrad_gif
| +--srb
| |--cp
| | +--yyyy
| |--lwcs
| | +--yyyy
| |--lwdwn
| | +--yyyy
| |--lwnet
| | +--yyyy
| |--swcs
| | +--yyyy
| |--swdwn
| | +--yyyy
| +--swnet
| +--yyyy
|--readmes
|--software
| |--decompression
| |--grads
| | |--alpha
| | |--dat
| | |--doc
| | | |--cards
| | | |--doty
| | | |--etc
| | | |--fiorino
| | | |--gagui
| | | |--hoop
| | | |--images
| | | |--magick
| | | |--manual
| | | +--tutorial
| | |--hpux
| | |--irix5
| | |--lib
| | | +--functions
| | |--linux5
| | |--mac
| | |--msdos
| | |--sunos4
| | +--win32
| |--read_cidc_sftwr
| +--xwin
+--www
+--graphics
CIDC 4 Directory Structure:
root
|--data
| +--tovs_atmo_sound
| |--cltemp
| | +--yyyy
| |--fcld
| | +--yyyy
| |--fcld7
| | +--yyyy
| |--lwf
| | +--yyyy
| |--olr
| | +--yyyy
| |--pcld
| | +--yyyy
| |--prc
| | +--yyyy
| |--prwat
| | +--yyyy
| |--sprc
| | +--yyyy
| |--tcld
| | +--yyyy
| +--tsurf
| +--yyyy
|--readmes
|--software
| +--decompression
| |--grads
| | |--dat
| | |--doc
| | | |--cards
| | | |--doty
| | | |--etc
| | | |--fiorino
| | | |--gagui
| | | |--hoop
| | | |--images
| | | |--magick
| | | |--manual
| | | +--tutorial
| | |--irix5
| | |--lib
| | | +--functions
| | |--sunos4
| | +--win32
| |--read_cidc_sftwr
| +--xwin
+--www
+--graphics
Text Readme Names:
Readme Name CD-ROM Root Data Directory
----------------------------------------------------------------------------
Dataset
----------------------------------------------------------------------------
readme.overview CIDC 1-4 not applicable
Overview of CIDC
readme.dao CIDC2 data/assim_atmo_dyn/
DAO 4D Assimilation Monthly Mean Subset
readme.tovs CIDC4 data/tovs_atmo_sound/
TOVS Atmospheric Soundings
readme.erbe_rad CIDC3 data/radiation_clouds/erbe_rad/
ERBE Radiation
readme.sol_irrad CIDC3 data/radiation_clouds/solar_irrad/
Solar Irradiance
readme.isccp_c2 CIDC3 data/radiation_clouds/isccp_c2/
ISCCP C2 Clouds
readme.isccp_d2 CIDC3 data/radiation_clouds/isccp_d2/
ISCCP D2 Products
readme.larc_srb CIDC3 data/radiation_clouds/srb/
LaRC Surface Radiation Products
readme.giss_ssw CIDC3 data/radiation_clouds/solrad_sw/
GISS Surface Shortwave Radiation
readme.avhrr_ndvi CIDC1 data/biosphere/avhrr_ndvi/
AVHRR NDVI
readme.czcs_opc CIDC1 data/biosphere/czcs_color/
CZCS Ocean Pigment Concentration
readme.islscp_veg CIDC1 data/biosphere/land_cover/
ISLSCP Global Land Cover
readme.toms_ozone CIDC1 data/atmo_constituents/toms_ozone/
TOMS Ozone
readme.gas CIDC1 data/atmo_constituents/greenhouse_gases/
CDIAC Greenhouse Gases
readme.ncep_sst CIDC1 data/surf_temp_press/ncep_sst/
NCEP Sea Surface Temperature
readme.uea_tmp CIDC1 data/surf_temp_press/tmp_dev/e_anglia/
U. East Anglia Temperature Deviations
readme.uea_soi CIDC1 data/surf_temp_press/soi/
U. East Anglia Southern Oscillation Index
readme.giss_tmp CIDC1 data/surf_temp_press/tmp_dev/giss/
GISS Mean Global Temperatures
readme.ssmi_wvap CIDC1 data/hydrology/ssmi_wvap/
SSMI Precipitable Water
readme.smmr_snow CIDC1 data/hydrology/smmr_snow/
SMMR Snow Depth
readme.sea_ice CIDC1 data/hydrology/sea_ice/
SMMR & SSMI Sea Ice Concentration
readme.gpcc_prc CIDC1 data/hydrology/precip/gpcp/gpcc/
GPCC Global Rain Gauge Analysis
readme.gpcp_prc CIDC1 data/hydrology/precip/gpcp/gpcp_v1a_cmb/
GPCP Global Combined Precipitation
readme.fao_soil CIDC1 data/hydrology/soil/
FAO Soil
readme.smmr_mon CIDC1 data/hydrology/precip/smmr_monsoon/
SMMR Monsoon Rain
readme.erbe_ardm CIDC1 data/remote_sensing_science/erbe_angle/
ERBE Angular Radiation Models
All readmes are located in the readme/ directory on each CD-ROM.
----------------------------------------------------------------------------
V. File Naming Convention
----------------------
xxxxxxxx.pppppp.llctgrr.yymm.sss
where:
xxxxxxxx = data product designator (8 chars maximum)
pppppp = parameter name (6 chars maximum)
llctgrr = code for spatial/temporal resolution & coverage
yy = year
mm = month number
sss = file type designator
A more detailed description follows:
xxxxxxxx : tells the user something about where the data came from. This
could be either an instrument, a project, or in the case of
model output data, an experiment number.
Examples: assim54a, tovsnf (ng is the noaa10 satellite
designator)
pppppp : parameter name
examples: temp, sphum, ndvi
lctgrr : l = number of levels (1 - 99)
c = vertical coordinate
p = pressure level,
s = surface,
n = not applicable)
t = temporal period, with the following definitions:
m = monthly (30 day averages)
c = climate monthly
x = climate
a = annual
g = horizontal grid resolution, with the following definitions
(first number is latitude increment):
a = 5 deg lat x 5 deg lon
b = 2.00 deg lat x 2.50 deg lon
c = 1.00 deg lat x 1.25 deg lon
d = 2 deg lat x 2 deg lon
e = 1 deg lat x 1 deg lon
f = 8 km x 8 km
g = 2 deg x 5 deg
h = 2.5 deg x 2.5 deg
n = not applicable
p = point data
others may be added in the future.
rr = spatial coverage, with the following definitions:
gl = global land , e.g. avhrr pathfinder
go = global ocean , e.g. ncep sst
gg = global (land & ocean) e.g. dao, tovs
o1 = ocean region 1 (smmr monsoon)
yymm : data of data
yy = year (e.g. 87=1987)
mm = month (e.g. 07=july)
ddd : file type designator
bin = binary file (IEEE 32-bit floating point)
gz = compressed binary file (gzip)
ctl = GrADS meta-data file
gif = image file (graphical interchange format)
asc or ascii = text file (ascii)
----------------------------------------------------------------------------
VI. Software
--------
Each of the CIDC CD-ROMS contain a software directory. The content of these
directories are the following:
aareadme Readme file which describes the content of the software
directory.
decompression/ Directory that contains decompression software. See the
aareadme in the decompression directory for more
information.
grads/ Directory that contains Grid Analysis and Display System
software. See the aareadme in the grads directory for more
information.
read_cidc_sftwr/ Sample programs in FORTRAN, C and IDL languages to read the
CIDC data. Compiled versions for different operating systems
have been provided.
xwin/ Directory that contains a demonstration version of the
XWin32 X Server.
----------------------------------------------------------------------------
VII. Anonymous FTP & WWW Access
--------------------------
The Climatology Interdisciplinary Data Collection is also accessible via the
WWW and anonymous FTP at:
http://DAAC.gsfc.nasa.gov/CAMPAIGN_DOCS/FTP_SITE/inter_disc.html
ftp daac.gsfc.nasa.gov
login: anonymous
password: < your internet address >
cd data/inter_disc
Also visit the Goddard Climate Research Forum at URL:
http://daac.gsfc.nasa.gov/CAMPAIGN_DOCS/interdisc/research_home.html
for articles and data concerning important remote sensing and climate
prediction problems.
----------------------------------------------------------------------------
VIII. Points of Contact
-----------------
For information about or assistance in using any DAAC data,
contact
EOS Distributed Active Archive Center (DAAC)
Code 902.2
NASA Goddard Space Flight Center
Greenbelt, Maryland 20771
Internet: daacuso@daac.gsfc.nasa.gov
301-614-5224 (voice)
301-614-5268 (fax)
----------------------------------------------------------------------------
