Radiation (cloudiness) limitation on plant growth

Aug 9, 2010 (Last modified Oct 27, 2010)
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Dataset was used in a scientifically peer-reviewed publication
Recommended by Tosha Comendant
Description:
This map is one of the layers used to recreate Figure 2 in Churkina and Running (1998) in Data Basin (file title: Climate controls on plant growth). Each pixel (0.5ox0.5o) on the map represents a value derived from a specific function of the percentage of sunshine hours per year (Figure 1 in Churkina and Running 1998).

Exerpt from Churkina and Running 1998:

Although clouds can dramatically reduce the amount of incoming photosynthetically active radiation, plants still photosynthesize on a cloudy day by using diffuse radiation, but at lower rates. Thus, we assumed that cloudiness considerably reduced incoming solar radiation and NPP in areas with low percentages of sunshine hours per year. Vegetation productivity was not limited by radiation in areas without clouds or with negligible cloud cover. Cloudiness data, expressed in sunshine hours per year, were derived from the CLIMATE database.
Data Provided By:
Galina Churkina and Steve W. Running (http://www.ntsg.umt.edu/ )
Content date:
1931,1960
Citation:
Churkina, G. and Running, S. 1998. Contrasting Climate Controls on the Estimated Productivity of Global Terrestrial Biomes. Ecosystems 1:206-215.

Larger Works:

Waring RH, Schlesinger WH. 1985. Forest ecosystems. London: Academic

Running SW, Hunt ERJ. 1993. Generalization of a forest ecosystem process model for other biomes, Biome-BGC, and an application for global-scale models. In: Ehleringer JR, Field CB, editors. Scaling physiological processes: leaf to globe. San Diego: Academic. p141-158.


Spatial Resolution:
0.5 degree latitude and longitude
Contact Organization:
Numerical terradynamic simulation group, College of Forestry, University of Montana
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Use Constraints:
Creative Commons LicenseThis work is licensed under a Creative Commons Attribution 3.0 License.
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Tags:
cloudiness, simulation, biome-bgc, radiation, model, carbon sequestration, climate, plant growth, primary productivity
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