SRLCC Temperature Images (PDF)

Dates

Info Date: 2007

Summary

The Nature Conservancy's Climate Wizard is a user-friendly viewer and data portal that provides access to Maurer et al.'s 2007 downscaled climate data and PRISM climate data. The images here are examples of the type of information that can be found on this website. The images were downloaded from the custom application of the website (climatewizardcustom.org), which allows users to upload a shapefile and concentrate on an area of interest (in this case, the footprint of the SRLCC). The PDF images do not contain detailed numerical data, so they are best used for visual approximation or to view broad trends. For more detailed information, please see the Climate Wizard website or the attached file "Temp_image_data_ASCII_format.zip". This [...]

Summary

The Nature Conservancy's Climate Wizard is a user-friendly viewer and data portal that provides access to Maurer et al.'s 2007 downscaled climate data and PRISM climate data. The images here are examples of the type of information that can be found on this website. The images were downloaded from the custom application of the website (climatewizardcustom.org), which allows users to upload a shapefile and concentrate on an area of interest (in this case, the footprint of the SRLCC). The PDF images do not contain detailed numerical data, so they are best used for visual approximation or to view broad trends. For more detailed information, please see the Climate Wizard website or the attached file "Temp_image_data_ASCII_format.zip". This file contains the numerical data associated with the PDF images in an ASCII format, which can be converted to raster layers in ArcMAP (for directions, see below). There are also complete ArcMAP packages with data from the Climate Wizard in this item's parent folder.

The PDF images show the mean annual, winter and summer temperatures for 3 time periods. Current conditions are represented by the time period 1961-1990, and there are two projected time periods: 2040-2069 and 2070-2099. The emission scenarios are b1 (low emissions and rate of change), a1b (middle) and a2 (high). Emission scenarios are possibilities for how the future will unfold in terms of greenhouse gas emissions, land use and other environmental factors. All climate projections are ensemble averages of the 16 general circulation models (GCMs) in the Climate Wizard (showing the 50th percentile or median prediction of the GCMs).

Citation for the Climate Wizard: Girvetz, E. H., Zganjar, C., Raber, G. T., Maurer, E. P., Kareiva, P., and Lawler, J. J.: Applied Climate-Change Analysis: The Climate Wizard Tool, PLoS ONE, 4, e8320, 2009.
Article available at: http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0008320
For official documentation, see http://www.climatewizard.org/documentation.html

From climatewizard.org:

" ClimateWizard enables technical and non-technical audiences alike to access leading climate change information and visualize the impacts anywhere on Earth. The first generation of this web-based program allows the user to choose a state or country and both assess how climate has changed over time and to project what future changes are predicted to occur in a given area. ClimateWizard represents the first time ever the full range of climate history and impacts for a landscape have been brought together in a user-friendly format.

Partners and Data Developers
The data and information presented in this web site are subject to the conditions stated below. Data may be freely reproduced and distributed for non-commercial purposes. When referring to the data, the source must be clearly and prominently stated, and include at a minimum, our name, URL. Use the citations for appropriate data in the manner below:

United States (Lower 48 and Conterminous) past 50 years (1951-2006)
(4km resolution)
"PRISM Group, Oregon State University, created 4 Feb 2007." The PRISM Group, Oregon State University retains rights to ownership of the data and information.
http://www.prism.oregonstate.edu/

United States (Lower 48 and Conterminous) 2050 mid century (2040-2069), 2100 end century (2070-2099)
(12km resolution)
Base climate projections downscaled by Maurer, et al. (2007).
To lean more please read the article in EOS at http://www.agu.org/eos_elec/2007/47-504.html
Maurer, E. P., L. Brekke, T. Pruitt, and P. B. Duffy (2007), Fine-resolution climate projections enhance regional climate change impact studies, Eos Trans. AGU, 88(47), 504
We also acknowledge the following groups for providing the WCRP CMIP3 multi-model dataset available: Program for Climate Model Diagnosis and Intercomparison, The WCRP's Working Group on Coupled Modeling Office of Science, US Department of Energy."

Here are directions on how to view ASCII text files in ArcMAP (these instructions are from the Climate Wizard's FAQ section, http://www.climatewizard.org/FAQ.html)

1. In ClimateWizard, display exactly the data you want to download, then click the Data option from ClimateWiz menu. Save the file with .asc extension (if you don’t have this option, save as .txt and then rename the file with the extension changed to .asc).

2. In ArcGIS, open ArcCatalog, then open ArcToolbox.

3. In ArcToolbox, go to Conversion Tools→To Raster→ASCII to Raster→Input ASCII Raster File. Navigate to your downloaded .asc file. Your Output Raster file should be renamed with 13 letters or less, leaving the extension blank (this will give you a GRID file, which is easiest to use for math). The Output Data Type must be set to FLOAT.

4. In the ArcToolbox, go to Data Management→Tools→Projections and Transformations→Define Projection. Select your new file for input.

5. Under Coordinate System, select Geographic Coordinate Systems→World→WGS 1984.prj.

6. The file is now ready to add to your ArcGIS project using the Add Data button.

Contacts

Originator :: Chris Zganjar, Evan Girvetz, George Raber
User :: Tamar Norkin

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Annual_B1scenario.pdf	1.09 MB	application/pdf
Annual_A1Bscenario.pdf	943.62 KB	application/pdf
Annual_A2scenario.pdf	1.09 MB	application/pdf
Summer_B1scenario.pdf	1.1 MB	application/pdf
Summer_A1Bscenario.pdf	1.12 MB	application/pdf
Summer_A2scenario.pdf	1.11 MB	application/pdf
Winter_B1scenario.pdf	834.07 KB	application/pdf
Winter_A1Bscenario.pdf	855.74 KB	application/pdf
Winter_A2scenario.pdf	858.67 KB	application/pdf
Temp_image_data_ASCII_format.zip	559.02 KB	application/zip

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