48231
R-Factor for the Island of Puerto Rico
R-Factor_metadata_for_Island_of_Puerto_Rico
Data Set
Published / External
37234
OpenNSPECT
Project
Completed
2014-06-04
The rainfall-runoff erosivity factor (R-Factor) quantifies the effects of raindrop impacts and reflects the amount and rate of runoff associated with the rain. The R-factor is one of the parameters used by the Revised Unified Soil Loss Equation (RUSLE) to estimate annual rates of erosion. This product is a raster representation of R-Factor derived from isoerodent maps published in the Runoff Estimates for Small Rural Watersheds and Development of a Sound Design method. Volume II. (Fletcher et al., 1977). Lines connecting points of equal rainfall erosivity are called isoerodents. The isoerodents plotted on a map of the Island of Puerto Rico were digitized, then values between these lines were obtained by linear interpolation. The final R-Factor data are in raster GeoTiff format at 30 meter resolution in UTM, Zone 20, GRS80, NAD83.
These data are represented in raster format for use with the Open source Nonpoint Source Pollution and Erosion Comparison Tool (OpenNSPECT).
10847
Fletcher, Joel E.; Huber, A. Leon; Haws, Frank W.; and Clyde, Calvin G., "Runoff Estimates for Small Rural Watersheds and Development of a Sound Design method. Volume II, Recommendations for Preparing Design Manuals and Appendices B, C, D, E, F, G, and H" (1977). Reports. P 123.
These data are derived from isoerodent maps published in Runoff Estimates for Small Rural Watersheds and Development of a Sound Design method. Volume II. (Fletcher et al.,1977). Fletcher, Joel E.; Huber, A. Leon; Haws, Frank W.; and Clyde, Calvin G., "Runoff Estimates for Small Rural Watersheds and Development of a Sound Design method. Volume II, Recommendations for Preparing Design Manuals and Appendices B, C, D, E, F, G, and H" (1977). Reports. P 123.
Theme
Global Change Master Directory (GCMD) Science Keywords
EARTH SCIENCE > AGRICULTURE > SOILS > SOIL EROSION
Theme
Global Change Master Directory (GCMD) Science Keywords
EARTH SCIENCE > LAND SURFACE > EROSION/SEDIMENTATION > EROSION
Theme
Global Change Master Directory (GCMD) Science Keywords
EARTH SCIENCE > TERRESTRIAL HYDROSPHERE > SURFACE WATER > SURFACE WATER PROCESSES/MEASUREMENTS > RUNOFF
Theme
ISO 19115 Topic Category
climatologyMeteorologyAtmosphere
Spatial
Global Change Master Directory (GCMD) Location Keywords
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA
Spatial
Global Change Master Directory (GCMD) Location Keywords
OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN > CARIBBEAN SEA > PUERTO RICO
Theme
Environmental Monitoring
Theme
Erosion
Theme
R-Factor
Theme
RUSLE
Theme
RUSLE2
Theme
Rainfall-Runoff Erosivity
Theme
Revised Universal Soil Loss Equation
Spatial
Coastal zone
Spatial
Commonwealth of Puerto Rico
Spatial
Puerto Rico
Office for Coastal Management
Charleston
SC
Data Set
None Planned
Map (digital)
Any conclusions drawn from the analysis of this information are not the responsibility of NOAA, the Office for Coastal Management or its partners.
Acknowledgement of the NOAA Office for Coastal Management and Fletcher et al.,(1977) would be appreciated in products derived from these data.
49192
R-Factor map for Puerto Rico
R-Factor map for Puerto Rico
Published / External
Completed
Commonwealth | Description Source: Island
Converted from FGDC using 'fgdc_to_inport_xml_entity.pl' script.
1
Rainfall-runoff Factor
VARCHAR
No
No
Active
R-Factor is an erosivity index value for rainfall and runoff | Description Source: Fletcher, Joel E.; Huber, A. Leon; Haws, Frank W.; and Clyde, Calvin G., "Runoff Estimates for Small Rural Watersheds and Development of a Sound Design method. Volume II, Recommendations for Preparing Design Manuals and Appendices B, C, D, E, F, G, and H" (1977). Reports. P 123.
0 Background: This class contains no data. | 1 R-Factor: Erosivity index value for rainfall and runoff. |
Data Steward
2014-06-04
Organization
NOAA Office for Coastal Management
NOAA/OCM
coastal.info@noaa.gov
2234 South Hobson Ave
Charleston
SC
29405-2413
(843) 740-1202
https://coast.noaa.gov
NOAA Office for Coastal Management Home Page
Online Resource
Distributor
2014-06-04
Organization
NOAA Office for Coastal Management
NOAA/OCM
coastal.info@noaa.gov
2234 South Hobson Ave
Charleston
SC
29405-2413
(843) 740-1202
https://coast.noaa.gov
NOAA Office for Coastal Management Home Page
Online Resource
Metadata Contact
2014-06-04
Organization
NOAA Office for Coastal Management
NOAA/OCM
coastal.info@noaa.gov
2234 South Hobson Ave
Charleston
SC
29405-2413
(843) 740-1202
https://coast.noaa.gov
NOAA Office for Coastal Management Home Page
Online Resource
Point of Contact
2014-06-04
Organization
NOAA Office for Coastal Management
NOAA/OCM
coastal.info@noaa.gov
2234 South Hobson Ave
Charleston
SC
29405-2413
(843) 740-1202
https://coast.noaa.gov
NOAA Office for Coastal Management Home Page
Online Resource
Ground Condition
-67.957335
-65.218506
18.529654
17.874067
Range
1965
1975
Yes
Unclassified
None
None
https://coast.noaa.gov/data/digitalcoast/zip/R-Factor-PR.zip
2014-06-04
Organization
NOAA Office for Coastal Management
https://coast.noaa.gov/digitalcoast/tools/qnspect.html
QNSPECT
Online Resource
2016-05-23
Date that the source FGDC record was last modified.
2017-11-14
Converted from FGDC Content Standard for Digital Geospatial Metadata (version FGDC-STD-001-1998) using 'fgdc_to_inport_xml.pl' script. Contact Tyler Christensen (NOS) for details.
2018-02-08
Partial upload of Positional Accuracy fields only.
MapWindow GIS 8.x
The cell values in this product represent R-Factor which is an erosivity index for rainfall and runoff. The units are (hundreds ft-tonf-in)/(ac-h-yr).
This map is an approximation of spatial rainfall-runoff values
None
Cloud Cover: 0
All pixels within the Island of Puerto Rico boundary contain R-Factor values.
Tests for logical consistency indicate that all row and column positions in the selected latitude/longitude window contain data. Conversion and integration with vector files indicates that all positions are consistent with earth coordinates covering the same area.
R-Factor for the Island of Puerto Rico
NOAA, National Ocean Service, Office for Coastal Management
Range
1965
1975
100000
Derived from isoerodent maps (Fletcher et al., 1977) | Source Geospatial Form: raster digital data | Type of Source Media: disc
1
The rainfall-runoff erosivity factor was estimated from the R-Factor map for Puerto Rico given in Runoff Estimates for Small Rural Watersheds and Development of a Sound Design method. Volume II. (Fletcher et al.,1977). A line shapefile approximation of the printed map was generated via "heads-up" digitizing. The final raster map was produced using the Topo to Raster command in ESRI ArcGIS 10.x.
2014-01-01T00:00:00
49192
Entity
R-Factor map for Puerto Rico
gov.noaa.nmfs.inport:48231
Anne Ball
2017-11-14T14:28:14
Brianna Key
2024-02-20T22:13:45
2018-02-08
Office for Coastal Management
OCM
1002
Public
No
2018-02-08
1 Year
2019-02-08