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| Study on construction and application of DEM in tea garden |
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| DOI：10.16768/j.issn.1004-874X.2016.05.030 |
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| Abstract: |
| In general，the tea garden construction must be supported by topographic map. Google Earth can provide 1∶10000-1∶50000 small scale terrain data，which can provide a fast and precise terrain data，by the construction of Digital Elevation Model. This paper collected elevation data in Google Earth，constructed the digital elevation model with a Gaussian model of Kriging method by spatially interpolating，and made the topographic maps with two types of contour interval to apply in planting region division，planning of roads，irrigation equipments，drainage facilities，taking a tea garden planning of Shaoguan City in Guangdong province as an example. It provides a way to make topographic maps quickly and support tea garden concept planning and the overall planning. |
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