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Method for predicting growth vigor of alhagi sparsifolia in extremely arid region

A camel thorn, arid area technology, applied in forecasting, instrumentation, data processing applications, etc., can solve the problem of inability to accurately distinguish vegetation types, and achieve the effect of accurate growth results.

Pending Publication Date: 2019-10-11
新疆维吾尔自治区地质矿产勘查开发局第一水文工程地质大队
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In the prior art, there is a method of using remote sensing data to analyze vegetation growth, but this method can only obtain long-sequence vegetation growth, and cannot accurately distinguish vegetation types

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Embodiment 1: a kind of method of predicting the growth situation of leaf thinning camel thorn in extremely arid area, comprises the following steps:

[0024] Step 1. Transect quadrat investigation: along the groundwater flow direction, set transects on the land surface according to the vegetation growth zoning boundaries; select sampling quadrats at intervals within the vegetation transects, and conduct land surface ecological surveys on the vegetation in the sampling quadrats;

[0025] Step 2. Obtain groundwater flow field information: In the range where the groundwater level is buried below 5m in the quadrat, exploratory wells are constructed and PVC pipes are embedded for post-monitoring. In the range where the groundwater level is buried deep >5m, surrounding wells are used as water level observation wells , and observe the groundwater level at a frequency of 1 time / month, conduct a unified measurement of the groundwater level in the dry season and wet season, and o...

Embodiment 2

[0037] Embodiment 2: a kind of method of predicting the growth situation of leaf thinning camel thorn in extremely arid area, comprises the following steps:

[0038] Step 1. Survey of transects and quadrats: along the direction of groundwater flow, set transects on the land surface according to the boundaries of vegetation growth zoning; select sampling quadrats at intervals within the vegetation transects, and conduct land surface ecological surveys on the vegetation in the sampling quadrats; The species collection in the surface ecological survey is to distinguish the vegetation coverage corresponding to different vegetation.

[0039] Step 2. Obtain groundwater flow field information: In the range where the groundwater level is buried below 5m in the quadrat, exploratory wells are constructed and PVC pipes are embedded for post-monitoring. In the range where the groundwater level is buried deep >5m, surrounding wells are used as water level observation wells , and observe th...

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Abstract

The invention relates to a method for predicting the growth vigor of alhagi sparsifolia in an extremely arid region. The method comprises the following steps: investigating a quadrat of a sample zone,acquiring underground water flow field information, determining the soil weight moisture content, determining the soil salt content, shooting spectrograms of the sample zone and the quadrat by adopting an unmanned aerial vehicle remote sensing technology, analyzing the coverage rate of vegetation in the quadrat through vegetation coverage data in the spectrograms, and analyzing the vegetation type and distribution condition in the quadrat; analyzing vegetation change conditions in the quadrat in combination with ecological investigation; establishing an underground water numerical model, andpredicting vegetation growth vigor in combination with regional water consumption planning. The method plays an active exploration role in ecologically fragile region restoration and ecological function protection under the extreme arid condition, provides a practice method for reasonable development and ecological function protection research of underground water in the extreme arid region, and provides favorable data support for reasonable development and ecological function protection of the underground water in the extreme arid region.

Description

technical field [0001] The present application relates to a method for predicting the growth of camel thorns in extremely arid areas. Background technique [0002] The Turpan Basin is located in the east-central region of the Xinjiang Uygur Autonomous Region, far away from the ocean, with a terrain high in the north and south and low in the middle. Its characteristics are: cold winter, hot summer, scarce precipitation, strong evaporation, short spring and autumn with many winds and sand, and large temperature difference between day and night. The annual average temperature is 11-17°C, the lowest in January is -25.2°C, the highest in July is 48.0°C, and the annual temperature range is 40-47.5°C; the annual precipitation in the South Basin Plain is less than 10mm; The annual evaporation in the area reaches 1600-1800mm; the annual average relative humidity is less than 33%; the average annual total sunshine hours are 3056.4 hours. Under such extreme environmental conditions, ...

Claims

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Application Information

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IPC IPC(8): G06Q10/04G06Q50/02
CPCG06Q10/04G06Q50/02
Inventor 陈立刘亮张明江
Owner 新疆维吾尔自治区地质矿产勘查开发局第一水文工程地质大队
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