[Keyword='Dem']
Africa Soil Information Service (AfSIS): Topographic Wetness Index (TWI)
Entry ID: ICRAF_AfSIS_TWI

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Summary
Abstract: The Africa Soil Information Service (AfSIS): Topographic Wetness Index (TWI) is a 90m raster dataset showing zones of increased soil moisture where the landscape area contributing runoff is large and slopes are low. The topographic wetness index, originally developed by Beven and Kirkby in 1979, provides a measure of wetness conditions at the catchment scale. This dataset combines local upslope ... View entire text
Related URL
Link: GET DATA
Description: Data in GeoTIFF format. Image accessible in pre-set files corresponding to a specific country in Africa or a user-defined area of the continent
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Multimedia Sample
Small multimedia sample image
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Caption:  Aerial Surveys of Marine Birds
 
Geographic Coverage
(Click for Interactive Map)
Spatial coordinates   
  N: 49.01   S: 47.04   E: -122.19   W: -124.63

Data Set Citation
Dataset Originator/Creator: Washington Dept. of Fish and Wildlife
Dataset Title: WADFW Puget Sound Ambient Monitoring Program Winter 97
Dataset Series Name: OBIS-SEAMAP
Dataset Release Date: 2006-05-12 12:39:03-04
Dataset Release Place: http://seamap.env.duke.edu/
Dataset Publisher: OBIS-SEAMAP
Data Presentation Form: vector digital data
Online Resource: http://wdfw.wa.gov/
Parent DIF
This data set description is a member of a collection. The collection is described in
OBIS-SEAMAP
Temporal Coverage
Start Date: 1996-12-09
Stop Date: 1997-01-29
Location Keywords
Data Resolution
Latitude Resolution: 0.000167 Decimal degrees
Longitude Resolution: 0.000167 Decimal degrees
Horizontal Resolution Range: 1 meter - < 30 meters
Science Keywords
ISO Topic Category
Platform
AIRCRAFT Ancillary Description
Project
Access Constraints ACCESS CONSTRAINTS: Open public unless otherwise noted.

DISTRIBUTION LIABILITY: Not to hold OBIS-SEAMAP liable for errors in the data.
While we have made every effort to ensure the quality of the database, we
cannot guarantee the accuracy of these datasets. Also please refer to Use
Constraints.
Use Constraints 1. Not to use data contained in OBIS-SEAMAP in any publication, product, or
commercial application without prior written consent of the original data
provider. 2. To cite both the data provider and OBIS-SEAMAP appropriately after
approval of use is obtained. 3. Not to hold OBIS-SEAMAP liable for errors in
the data. While we have made every effort to ensure the quality of the
database, we cannot guarantee the accuracy of these datasets.
Ancillary Keywords
Achichilique pico amarillo
Aguililla cola roja
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Data Set Progress
COMPLETE
Originating Center
Data Center
OBIS Spatial Ecological Analysis of Megavertebrate Populations Supplemental Info
Data Center URL: http://seamap.env.duke.edu/

Data Center Personnel
Name: PATRICK N. HALPIN
Phone: 919-613-8062
Email: phalpin at duke.edu
Contact Address:
Duke University
Box 90328
City: Durham
Province or State: NC
Postal Code: 27708
Country: USA
Distribution
Distribution Format: Shapefile
Personnel
EI FUJIOKA
Role: TECHNICAL CONTACT
Role: DIF AUTHOR
Phone: 919-613-8021
Fax: 919-684-8741
Email: efujioka at duke.edu
Contact Address:
LSRC A321
Box 90328
City: Durham
Province or State: NC
Postal Code: 27708
Country: USA
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Creation and Review Dates
DIF Creation Date: 2007-04-13
Last DIF Revision Date: 2008-01-13

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