ISSN 1000-0526
CN 11-2282/P
CN 11-2282/P
Research on Methodology for Rasterizing Meteorological Element ——A Case Study for Heat Resource in Tai′an City
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Abstract:
In order to analysis the climate resource and agricultural climatic region , each spot has its corresponding climate value in the grid map of 3″×3″ resolution . The meteorological data of 19 meteorological stations during last 30 years (1971—2000) of Tai′an city were used. Under the geographic information system CityStar40 platform supporting, the method of two trends-surface of three-dimension analysis and combining with inserting value of space were adopted. The grid maps of resolution 3″×3″ of Tai′an were produced. The result showed that, each target through the examination, the correlation coefficient are all above 0.960, the examining value of F are greater than F0.05, average absolute errors of the annual mean temperature, the coldest monthly average temperature and the hottest monthly average temperature are less than 0.5℃, relative error of the accumulated temperature of ≥0℃, ≥5℃, ≥10℃ and ≥15℃ are under 5%
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