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Remote sensing monitoring of spatio-temporal changes of ecosystem service values in Hebei Province, 2000—2009 |
| XU Xu1,2, REN Feipeng3, HAN Nianlong4 |
1. Shenzhen Urban Planning & Land Resource Research Center, Shenzhen 518034, China;
2. College of Resources Science & Technology, Beijing Normal University, Beijing 100875, China;
3. Soil and Water Conservation Department, Yangtze River Scientific Research Institute, Wuhan 430010, China;
4. Center for Assessment and Development of Real Estate, Shenzhen 518034, China |
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Abstract Quite a lot of researches on the estimation of ecosystem service value have been carried out all over the world. Most of these researches were static evaluations at some points in time. From these researches we can only know the ecosystem service value of some places at some time points, but the dynamic changes of ecosystem service value could not be detected, especially in a continuous time span. In this paper, the ecosystem services valuation system and methods were developed. 5 kinds of ecosystem services, i.e., fixation of solar energy, accumulation of nutrients, gas regulation, soil conservation and water conservation, were taken into account. The continuous monthly MODIS NDVI data from 2000 to 2009 were used as the main dataset to calculate the ecosystem services value in Hebei Province. A 10-year period of ecosystem services value was calculated and dynamic changes were analyzed. It is shown that the ecosystem services value of Hebei presented a dynamic increasing trend during this 10-year period. The average values were much higher in northern and western parts as well as mountain areas than in southern and eastern parts as well as plain areas. The ecosystem service values in northern and southern parts increased during the 10-year period, and the areas where the ecosystem service value increased were larger than those where the value decreased.
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| Keywords
land surface temperature (LST)
outgoing long wave radiation(OLR)
earthquake monitoring
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Issue Date: 08 December 2014
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2015,
Vol. 27
