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Layer: Days Above 90° F, 2010-2039 (ID: 55)

Parent Layer: Exposure to Extreme Heat, RCP 8.5

Name: Days Above 90° F, 2010-2039

Display Field: Fireshed_Name

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: The number of days above 90 degrees Fahrenheit was masked to federal ownership (Forest Service and BLM). The mean value of the number of days above 90 degrees Fahrenheit for each time period and climatic pathway for every fireshed was calculated. The climatic pathways used were RCP 4.5 and RCP 8.5. The time periods were historic based on observations (1970 -1999) and current (2010 - 2039), mid-century (2040 - 2069), and end-century (2070-2099) based on modelled results. Quintile breakpoints and histograms were calculated for all variables, including absolute change and percent change, across the entire time period and multiple climatic pathways. The squared SE acres for Mature and Old Growth were calculated for all layers, time periods, and pathways. Subject Matter Experts decided on appropriate breakpoints for the 5 classes (Very Low, Low, Moderate, High, Very High) after consulting the quintile breakpoints and histograms. All layers were classified according to those breakpoints. The total acres for Mature and Old Growth forests were calculated by class, time step, and climatic pathway for all layers.

Copyright Text: Chad Delany, RedCastle Resources, USDA Forest Service, Geospatial Technology & Applications Center (GTAC) Charles H. Luce, USDA Forest Service, Rocky Mountain Research Station Nathan Walker, USDA Forest Service, Office of Sustainability and Climate

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Supported Query Formats: JSON, geoJSON, PBF

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Supports Statistics: true

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Can Modify Layer: true

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