Under the influence of the global change and human activity, the land use/land cover change (LUCC) is remarkable.
The evapotranspiration is one of the key taches of the water cycle. And it's the component of both water balance and
energy balance, which embodiments the balance of the substance, energy and the information system. The
evapotranspiration is closely related to the land use and land cover change. In this paper, we first gives the dynamic
characteristics of the land use and land cover change; and then, the distribution of the land surface water and heat flux
and evapotranspiration, by means of the SEBAL equation, based on the radiation balance equation and energy balance
equation; and finally, based on the tempo-spatial characteristics of evapotranspiration, we discusses the influence of
land use/cover change to the land surface evapotranspiration from two aspects: land use/land cover type and fresh/salt
water.
The issues of urbanization and Land Use / Cover Change (LUCC) are both hot topics in the global change research which
are now bound by human survival and development. This article takes the Shandong Jinan City as case study, and
analyzing the impact of LUCC on land surface temperature and radiation during the urbanization advancement. This
paper uses two periods of multi-temporal Landsat TM/ETM image data, and combining plenty of resources and choosing
feasible classification system, and integrating remote sensing and geographic information systems (GIS) for detecting
land cover change. We obtain the Land Use / Cover (LUC) maps of Jinan by visual interpretation and the LUC transfer
matrix through GIS technique. And then we analyze the causes of LUCC. Retrieve out the land surface temperature and
the land surface radiation by using single Landsat TM/ETM 6 thermal infrared data and weather data. We obtain the
surface temperature and radiation distribution maps. Considering the transform of LUC, we analyze their impacts on land
surface temperature and radiation in the region. Analyzing and describing the space pattern and time change of the
impacts of land use and urbanization on land surface temperature and radiation during the past 6 years in Jinan. And
provide a foundation to the researches of urbanization process mechanism and environment protection.
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