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Impacts of Land Use Change on Climate

Impacts of Land Use Change on Climate. Marcus Williams. Outline. What is land use change(definition) Show graphics from Pilkie papers Land use changes vs. Greenhouse gasses Problems with data sets and observation records

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Impacts of Land Use Change on Climate

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  1. Impacts of Land Use Change on Climate Marcus Williams

  2. Outline

  3. What is land use change(definition) • Show graphics from Pilkie papers • Land use changes vs. Greenhouse gasses • Problems with data sets and observation records • How has land use change impacted the climate (temperature and precip) and seasonal averages • Show difference between rural areas and urban areas (Easterling Paper) • What is urbanization • Show how draining wetlands can change the temperatures

  4. Dousset-2003 testing

  5. Dousset-2003

  6. Dousset-2003 Average image of Los Angeles LST, based on 15 NOAA-AVHRR thermal IR images, at 14:50 PDT in August 1985. P1, P2, P3, P4 indicate some urban parks. The temperature grey scale is labeled in C.

  7. Dousset-2003 Land cover classification of Los Angeles derived from a multispectral SPOT-HRV 1 image on June 29, 1986.

  8. (a) Land cover classification of Paris derived from a SPOT-HRV 2 image on March 9, 1998. The white frame outlines the enlargement shown in (b) Dousset-2003

  9. Doussett-2003 (b) Enlargement of the 20-m resolution landcover classification (a) of Orly, in the Paris suburbs, collocated with the 1-km resolution average afternoon image of LST (Fig. 5b). The LST values are indicated in white and the 1-km resolution grid in black.

  10. Dousset-2003 (a) Nighttime average image of Paris LST, based on five NOAA-AVHRR thermal IR images at 03:27 UTC, August 6 –10, 1998. The white frame outlines the coverage of the SPOT image shown in Fig. 4a

  11. Dousset-2003 (b) Daytime average image of Paris LST, based on five NOAA-AVHRR thermal IR images at 13:28 UTC, August 6– 10, 1998.

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