A Satellite Remote Sensing Monitoring Method of Total Chlorophyll Content in Jujube Tree Canopy

A technology of total chlorophyll and satellite remote sensing, which is applied in the field of satellite remote sensing monitoring, can solve problems such as the lack of inversion models for the total chlorophyll content of jujube trees, and achieve the effects of avoiding pollution and harm to the human body, simplifying operation steps, and shortening monitoring time

Inactive Publication Date: 2019-01-29
TARIM UNIV
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Problems solved by technology

However, there are very few studies on the application of satellite remote sensing data to the total chlorophyll content of jujube tree canopies, especially the lack of corresponding inversion models for the total chlorophyll content of jujube trees

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  • A Satellite Remote Sensing Monitoring Method of Total Chlorophyll Content in Jujube Tree Canopy
  • A Satellite Remote Sensing Monitoring Method of Total Chlorophyll Content in Jujube Tree Canopy

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Embodiment Construction

[0023] In order to enable those skilled in the art to better understand that the technical solutions of the present invention can be implemented, the present invention will be further described below in conjunction with specific examples, but the given examples are not intended to limit the present invention.

[0024] A kind of satellite remote sensing monitoring method of total chlorophyll content of jujube tree canopy, specifically comprises the following steps: query the transit time of Landsat8 satellite in this area to be monitored, the resolution of this Landsat8 satellite is 30 meters, if the weather is clear and cloudless when the satellite transits, Download the remote sensing image of the Landsat8 satellite in the area to be monitored that day. The specific implementation time of this embodiment is on August 9, 2016. The area to be monitored is the red date base of Bashan Company in the 11th regiment of Xinjiang First Division. The sky was clear and cloudless that day...

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Abstract

The invention provides a satellite remote sensing monitoring method for the total chlorophyll content of the canopies of jujube trees. The satellite remote sensing monitoring method for the total chlorophyll content of the canopies of the jujube trees includes the following steps: determining a region to be monitored; downloading a satellite remote sensing image of the region to be monitored; successively carrying out geometric precision correction, radiation correction and atmospheric correction on the downloaded satellite remote sensing image; cutting the satellite remote sensing image after the satellite remote sensing image is subjected to atmospheric correction to obtain an image of a monitored region; calculating 6 vegetation indexes of selected picture elements of the monitored region by software ENVI 5.1; substituting the 6 vegetation indexes into a model through band calculation, and calculating the total chlorophyll content of the canopies of the jujube trees in each picture element, wherein Y is the total chlorophyll content of the canopies of the jujube trees, and the unit of the total chlorophyll content is mg / g. By the method, the total chlorophyll content data of the canopies of the jujube trees can be rapidly, accurately and economically obtained in an environment-friendly manner in regional scale, environmental pollution and injury to human bodies due to the discharge of chemical tail liquid in a measuring process are avoided, operation steps are greatly simplified, and monitoring time is shortened.

Description

technical field [0001] The invention belongs to the technical field of satellite remote sensing monitoring, and in particular relates to a satellite remote sensing monitoring method for the total chlorophyll content of jujube canopy. Background technique [0002] Chlorophyll is the main pigment in plants and the most important pigment. There are two types of chlorophyll in higher plants, chlorophyll a and chlorophyll b. They participate in the absorption, transmission and conversion of light energy, and control the amount of solar radiation absorbed by leaves, thereby controlling photosynthesis. potential and primary productivity. Chlorophyll content can also be used to accurately and indirectly estimate plant nutritional status. The change of chlorophyll is an indicator of environmental stress and phenological period. When the plant is under stress and in the aging process, the content of chlorophyll will decrease, and the wallpaper of chlorophyll a and chlorophyll b will ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/84
CPCG01N21/84G01N2021/8466
Inventor 彭杰柳维扬周煊刘新路曲浩亮
Owner TARIM UNIV
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