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中国传统农区1820年耕地数据网格化方法

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中国传统农区1820年耕地数据网格化方法

林珊珊; 郑景云; 何凡能

【期刊名称】《《地理学报(英文版)》》 【年(卷),期】2009(019)001

【摘要】Recent studies have demonstrated the importance of LUCC change with climate and ecosystem simulation, but the result could only be determined precisely if a high-resolution underlying land cover map is used. While the efforts based satellites have provided a good baseline for present land cover, what the next advancement in the research about LUCC change required is the development of reconstruction of historical LUCC change,especially spatially-explicit historical dataset. Being different from other similar studies, this study is based on the analysis of historical land use patterns in the traditional cultivated region of China. Taking no account of the less important factors, altitude, slope and population patterns are selected as the major drivers of reclamation in ancient China, and used to design the HCGM (Historical Cropland Gridding Model, at a 60 kmx60 km resolution), which is an empirical model for allocating the historical cropland inventory data spatially to grid cells in each political unit. Then we use this model to reconstruct cropland distribution of the study area in 1820, and verify the result by prefectural cropland data of 1820, which is from the historical documents. The statistical analyzing result shows that the

model can simulate the patterns of the cropland distribution in the historical period in the traditional cultivated region efficiently. 【总页数】13页(36-48) 【关键词】

【作者】林珊珊; 郑景云; 何凡能 【作者单位】 【正文语种】中文 【中图分类】S1 【文献来源】

https://www.zhangqiaokeyan.com/academic-journal-cn_journal-geographical-sciences_thesis/0201273475566.html 【相关文献】

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中国传统农区1820年耕地数据网格化方法

中国传统农区1820年耕地数据网格化方法林珊珊;郑景云;何凡能【期刊名称】《《地理学报(英文版)》》【年(卷),期】2009(019)001【摘要】RecentstudieshavedemonstratedtheimportanceofLUCCchangewithclimateandecosystem
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