| 基于GIS的福建省农业气候资源小网格推算 |
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| 引用本文： | 谢先全,晏路明.基于GIS的福建省农业气候资源小网格推算[J].福建师范大学学报(自然科学版),2004,20(3):90-93. |
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| 作者姓名： | 谢先全 晏路明 |
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| 作者单位： | 1. 集美大学理学院,福建,厦门,361021
2. 福建师范大学地理科学学院,福建,福州,350007 |
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| 基金项目： | 国家社会科学基金资助项目(03BTJ004) |
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| 摘 要： | 在GIS技术支持下,采用趋势面分析方法对全省农业气候资源进行小网格推算,与通常所用的多元回归分析方法相比,提高了拟合精度,避免了分区建模引起的各个区域交界处农业气候资源要素值衔接不好、等值线不连续的麻烦.在小网格推算的基础上,对各农业气候要素的残差部分进行空间内插,以订正农业气候资源小网格栅格数据.将农业气候资源小网格推算模型计算的栅格数据与内插的残差栅格数据相加,即可得到经过小地形订正后的全省范围内每个小网格的农业气候资源栅格数据.
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| 关 键 词： | 农业气候资源 小网格推算 GIS 趋势面分析 |
| 文章编号： | 1000-5277(2004)03-0090-04 |
| 修稿时间： | 2004年1月13日 |
GIS-Based Small Grids Reckoning of Agricultural Climate Resources in Fujian Province |
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| XIE Xian-quan,YAN Lu-ming.GIS-Based Small Grids Reckoning of Agricultural Climate Resources in Fujian Province[J].Journal of Fujian Teachers University(Natural Science),2004,20(3):90-93. |
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| Authors: | XIE Xian-quan YAN Lu-ming |
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| Institution: | XIE Xian-quan~1,YAN Lu-ming~2 |
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| Abstract: | Supported by GIS,the article establishs a group of models to reckon agricultural climate resources on small grids by trend surface analysis method in Fujian province. 41 indexes of agricultural climate resources are reckoned to the small grids that are multiplied 0.004 longitude by 0.004 latitude. Compared with multiple regression analysis, not only it improves simulation precision,but also avoids a lot of trouble (such as discontinuous contour etc). On this basis, residual correction is completed through spatial interpolation process of ArcView GIS software. Finally,the agricultural climate resources raster data of Fujian province on each small grid are obtained after small topography correction. |
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| Keywords: | agricultural climate resource small grids reckoning GIS trend surface analysis |
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