SeaWiFS Level 3 Global Mapped 4 KM Monthly Normalized Difference Vegetation Index (NDVI) Data
Entry ID: OBPG_SEAWIFS_L3_M4M_NDVI

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Summary
Abstract: This data set consists of global Normalized Difference Vegetation Index (NDVI)
data derived from the Sea-viewing Wide Field-of-view Sensor (SeaWiFS), in orbit
on the OrbView-2 (formerly SeaStar) platform. SeaWiFS data products are
processed and distributed by the Ocean Biology Processing Group (OBPG).
Processing details can be found at
http://oceancolor.gsfc.nasa.gov/DOCS/SW_proc.html

The SeaWiFS Level 3 standard mapped image (SMI) products are integer
representations of binned data products. This image is an 8-bit,
two-dimensional array of an Equidistant Cylindrical projection of the globe.
(The capability to produce 16-bit SMI products has been implemented by the
OBPG, and the SeaWiFS NDVI products are expected to be regenerated as 16-bits
values at the next reprocessing in about 1 year.) Each SMI product contains
one image of a geophysical parameter and is stored in one physical HDF file.
The Level 3 binned products are used to generate mapped data products on 4 and
9 km equi-rectangular projection. The products are generated for the following
binning periods: Daily, 8-Day, Monthly, Monthly Climatology, Seasonal, Seasonal
Climatology, Annual, Cumulative.

Detailed information on the Level-3 Standard Mapped Image data product format
specifications can be found in the document at
http://oceancolor.gsfc.nasa.gov/DOCS/Ocean_Level-3_SMI_Products.pdf

Browse Level 3 Standard Mapped Images (SMI) at
http://oceancolor.gsfc.nasa.gov/cgi/level3.pl

The SeaWiFS Level 3 Mapped data files are available from the FTP site at
ftp://oceans.gsfc.nasa.gov/SeaWiFS/Mapped/

Related URL
Link: GET DATA
Description: Access SeaWiFS Level 3 Mapped Monthly Normalized Difference Vegetation Index
(NDVI) Data


Link: GET DATA
Description: Browse Level 3 Standard Mapped Images


Link: GET RELATED SERVICE METADATA (SERF)
Description: SeaWiFS Data Analysis System (SeaDAS) for processing, display, analysis, and
quality control of ocean products.


Link: VIEW PROJECT HOME PAGE
Description: SeaWIFS Project


Link: VIEW RELATED INFORMATION
Link: VIEW RELATED INFORMATION
Description: Data and Processing documentation


Parent DIF
This data set description is a member of a collection. The collection is described in
OBPG_SEAWIFS_L3_MAPPED


Geographic Coverage
 N: 90.0 S: -90.0  E: 180.0  W: -180.0

Temporal Coverage
Start Date: 1997-09-01


Location Keywords
GEOGRAPHIC REGION > GLOBAL
GEOGRAPHIC REGION > GLOBAL LAND


Data Resolution
Latitude Resolution: 4 km
Longitude Resolution: 4 km
Temporal Resolution: Monthly


Science Keywords
BIOSPHERE >VEGETATION >VEGETATION INDEX    [Definition]


ISO Topic Category
BIOTA


Platform
SEASTAR >Orbital Sciences Corporation OrbView-2 Satellite    [Information]


Instrument
SEAWIFS >Sea-Viewing Wide Field-of-View Sensor    [Information]


Project
EOS >Earth Observing System    [Information]
EOSDIS >Earth Observing System Data Information System    [Information]
ESIP >Earth Science Information Partners Program    [Information]
SEAWIFS >Sea-viewing Wide Field-of-view Sensor    [Information]


Access Constraints
From the start of instrument operations through January 1, 1998, all SeaWiFS
data is free and available to the public. Following January 1, 1998, SeaWiFS
data for scientific research will ONLY be available to Authorized Users who
have registered with the SeaWiFS Project. Any individual scientist who will be
conducting research that employs SeaWiFS data must be a registered Authorized
User. A single Authorized User cannot obtain data to be used anonymously by
members of a research group; all of the members of the group must be Authorized
Users.


Use Constraints
Publications of research results utilizing these data must acknowledge the
SeaWiFS Project and the Ocean Biology Processing Group (OBPG) at the NASA
Goddard Space Flight Center, Greenbelt, MD, USA.


Data Set Progress
IN WORK


Originating Center
OBPG


Data Center
Ocean Biology Processing Group (OBPG), Global Change Data Center, Earth Sciences Division, Science and Exploration Directorate, Goddard Space Flight Center, NASA    [Information]
Data Center URL: http://oceancolor.gsfc.nasa.gov/

Data Center Personnel
Name: GENE CARL FELDMAN
Phone: (301) 286-9428
Fax: (301) 286-0268
Email: gene.c.feldman at nasa.gov
Contact Address:
Data System Manager
NASA/Goddard Space Flight Center
Mailstop 614.8
City: Greenbelt
Province or State: MD
Postal Code: 20771
Country: USA



Distribution
Distribution_Media: FTP
Distribution_Format: HDF


Personnel
MELANIE F. MEAUX
Role: DIF AUTHOR
Email: gsfc-gcmduso at mail.nasa.gov


GENE CARL FELDMAN
Role: TECHNICAL CONTACT
Phone: (301) 286-9428
Fax: (301) 286-0268
Email: gene.c.feldman at nasa.gov
Contact Address:
Data System Manager
NASA/Goddard Space Flight Center
Mailstop 614.8
City: Greenbelt
Province or State: MD
Postal Code: 20771
Country: USA


DR. CHARLES R. MCCLAIN
Role: INVESTIGATOR
Phone: 301-286-5377
Fax: 301-286-0268
Email: Charles.R.McClain at nasa.gov
Contact Address:
NASA/Goddard Space Flight Center
City: Greenbelt
Province or State: MD
Postal Code: 20771
Country: USA



Creation and Review Dates
DIF Creation Date: 2005-10-25
Last DIF Revision Date: 2006-07-07

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