3S technology based method for returning farmland to forests

A technology and database technology, applied in the direction of instruments, data processing applications, resources, etc., to achieve the effects of reducing expenses, speeding up work progress, in-depth and comprehensive understanding

Inactive Publication Date: 2015-12-16
SICHUAN YUHANG PLANNING DESIGN +1
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  • Application Information

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Problems solved by technology

Moreover, most of these studies are limited to using GIS to generate DEM, superimposing it with land use maps, and using the principle of slope farmland greater than 25 degrees or different soil erosion level

Method used

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  • 3S technology based method for returning farmland to forests
  • 3S technology based method for returning farmland to forests
  • 3S technology based method for returning farmland to forests

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Embodiment Construction

[0042] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0043] Taking Jiulong County as an example, the present invention is described in detail.

[0044]The invention provides a method for returning farmland to forest based on 3S technology, said method comprising the following steps:

[0045] Step 1, such as figure 1 As shown, using remote sensing and GIS methods, combined with the interpretation marks established by GPS fixed-point surveys, and using the comparative interpretation of remote sensing ima...

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Abstract

The present invention discloses a 3S technology based method for returning farmland to forests. The method comprises the following steps: determining a returning farmland to forest scheme through remote sensing and GIS monitoring; generating a DEM by digitizing contour lines, and performing overlay analysis on an elevation map, a slope map, an aspect map, a land use map, and a map of returned farmland, to obtain a database of land use, slopes, and aspects; grading soil erosion by using a USLE equation; grading soil fertility and land productivity; performing overlay analysis on the database of land use, slopes, and aspects, soil erosion grading data and land productivity grading data, to obtain a grading and distribution map of returning farmland to forests; performing comprehensive analysis to obtain a planning map for returning farmland to forests; and digitizing collected data, to build a database for returning farmland to forests. The method disclosed by the invention is adapts to local conditions, and is suitable for trees and lands, and the human and capital investment is reduced, so as to meet the requirements for rapid returning farmland to forests and sustainable development.

Description

technical field [0001] The invention belongs to the technical field of forestry protection, and in particular relates to a method for returning farmland to forest based on 3S technology. Background technique [0002] Returning farmland to forest is a social-ecological system project aimed at improving the ecological environment and preventing soil erosion and desertification of cultivated land to promote sustainable forestry development. The implementation of returning farmland to forests is not only an inevitable choice to control soil erosion and strengthen ecological environment construction, but also an effective entry point to promote the adjustment of agricultural structure and the transformation of traditional agricultural production methods. It is also to promote the development of secondary and tertiary industries in rural areas and accelerate poverty alleviation. An important measure to run towards a well-off society. [0003] Converting farmland to forest is a pr...

Claims

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Application Information

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IPC IPC(8): G06Q10/06G06Q50/02
Inventor 蒋宇星蒋云志
Owner SICHUAN YUHANG PLANNING DESIGN
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