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snippet: Calculated SDIt value for the specified fire weather conditions
summary: Calculated SDIt value for the specified fire weather conditions
accessInformation: Rodríguez y Silva, F., J. R. M. Martínez, et al. (2014). "A methodology for determining operational priorities for prevention and suppression of wildland fires." International Journal of Wildland Fire 23(4): 544-554
thumbnail: thumbnail/thumbnail.png
maxScale: 1155581.108577
typeKeywords: ["ArcGIS Server","Data","Image Service","Service"]
description: <div style='text-align:Left;'><div><div><p><span>Wildfire Suppression Difficulty Index (terrestrial) (SDIt) is a quantitative rating of relative difficulty in performing fire control work. In its original formulation for use in Spain, SDI included aerial resource use, however for development and application in the United States we removed the aerial resource component due to a lack of consistent data. We note this distinction of “terrestrial only” calculations with the inclusion of “t” in the acronym. SDIt factors in topography, fuels, expected fire behavior under severe fire weather conditions, firefighter line production rates in various fuel types, and accessibility (distance from roads/trails) to assess relative suppression effort. For this dataset severe fire behavior is modeled with 15 mph up-slope winds and fully cured fuels. SDI has a continuous value distribution from 1-10. Here it is binned to six classes from lowest to highest difficulty.</span></p></div></div></div>
licenseInfo: <div style='text-align:Left;'><div><div><p><span>Neither the United States Government, its subdivisions, nor any of its agencies, departments (including without limitation the U.S. Department of Agriculture (USDA), and the U.S. Forest Service (USFS)), officers, employees, or agents (collectively, hereinafter, “USDA and USFS”) make any representations or warranties, express or implied, with respect to the use of or reliance on the documents, graphics, information or other data of any kind whatsoever (collectively, hereinafter “data”) they provided herewith, regardless of its format or means of transmission. USDA and USFS expressly disclaim liability for errors and omissions in the contents of this website. There are no guarantees or representations to the user as to the accuracy, currency, completeness, suitability or reliability of this website, and any data contained in or omitted from it, for any purpose.</span></p><p><span>The USDA Forest Service makes no warranty, expressed or implied, including the warranties of merchantability and fitness for a particular purpose, nor assumes any legal liability or responsibility for the accuracy, reliability, completeness or utility of these geospatial data, or for the improper or incorrect use of these geospatial data. These geospatial data and related maps or graphics are not legal documents and are not intended to be used as such. The data and maps may not be used to determine title, ownership, legal descriptions or boundaries, legal jurisdiction, or restrictions that may be in place on either public or private land. Natural hazards may or may not be depicted on the data and maps, and land users should exercise due caution. The data are dynamic and may change over time. The user is responsible to verify the limitations of the geospatial data and to use the data accordingly. </span></p><p><span>Additionally, the U.S. Forest Service waives copyright and related rights in the work worldwide through the CC0 (which can be found at https://creativecommons.org/public-domain/cc0/). </span></p><p><span>In accordance with Federal civil rights law and U.S. Department of Agriculture (USDA) civil rights regulations and policies, the USDA, its Agencies, offices, and employees, and institutions participating in or administering USDA programs are prohibited from discriminating based on race, color, national origin, religion, sex, disability, age, marital status, family/parental status, income derived from a public assistance program, political beliefs, or reprisal or retaliation for prior civil rights activity, in any program or activity conducted or funded by USDA (not all bases apply to all programs). Remedies and complaint filing deadlines vary by program or incident. </span></p><p><span>Persons with disabilities who require alternative means of communication for program information (e.g., Braille, large print, audiotape, American Sign Language, etc.) should contact the State or local Agency that administers the program or contact USDA through the Telecommunications Relay Service at 711 (voice and TTY). Additionally, program information may be made available in languages other than English. </span></p><p><span>To file a program discrimination complaint, complete the USDA Program Discrimination Complaint Form, AD-3027, found online at How to File a Program Discrimination Complaint and at any USDA office or write a letter addressed to USDA and provide in the letter all of the information requested in the form. To request a copy of the complaint form, call (866) 632-9992. Submit your completed form or letter to USDA by: (1) mail: U.S. Department of Agriculture, Office of the Assistant Secretary for Civil Rights, 1400 Independence Avenue, SW, Mail Stop 9410, Washington, D.C. 20250-9410; (2) fax: (202) 690-7442; or (3) email: program.intake@usda.gov. </span></p><p><span>USDA is an equal opportunity provider, employer, and lender. </span></p></div></div></div>
catalogPath:
title: USFS_EDW_SAB_WildfireSuppressionDifficultyIndex90thPerc
type: Image Service
url: https://imagery.geoplatform.gov/iipp
tags: ["wildfire","fire suppression","landscape","fuels","SDI"]
culture: en-US
portalUrl:
name: USFS_EDW_SAB_WildfireSuppressionDifficultyIndex90thPerc
guid:
minScale: 591657527.591555
spatialReference: WGS_1984_Web_Mercator_Auxiliary_Sphere