An Evaluation Method of Agricultural Drought Based on Improved Crop Moisture Index

A crop and index technology, applied in data processing applications, instruments, calculations, etc., can solve problems such as not being well reflected, and achieve the effect of improving sensitivity and accuracy

Active Publication Date: 2022-02-11
CHANGJIANG RIVER SCI RES INST CHANGJIANG WATER RESOURCES COMMISSION
View PDF8 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This doesn't reflect well on traditional CMI

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • An Evaluation Method of Agricultural Drought Based on Improved Crop Moisture Index
  • An Evaluation Method of Agricultural Drought Based on Improved Crop Moisture Index
  • An Evaluation Method of Agricultural Drought Based on Improved Crop Moisture Index

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0070] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.

[0071] Such as figure 1 As shown, the embodiment of the present invention provides a kind of agricultural drought assessment method based on improved CMI index,

[0072] Including the following steps:

[0073] Step S1: Build the basic data information base. The basic data information database includes distribution maps of meteorological stations, meteorological observation data, soil characteristic information in the area where the meteorological station is located, crop parameter information, irrigation system information, and irrigation-related information. Area information, effective use coefficient of irrigation water, etc.

[0074] The construction of...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention provides an agricultural drought assessment method based on the improved CMI index, comprising: step S1, constructing a basic data information database; step S2, improving the soil water balance equation; step S3, irrigation design; step S4, constructing a CMI drought assessment model; In step S5, the constructed CMI drought assessment model is used to estimate the crop humidity index value, and the regional historical and current drought conditions are evaluated against the CMI drought classification standard. The present invention integrates meteorological information and agricultural irrigation activities to dynamically evaluate the development of drought, improves the accuracy of agricultural drought evaluation and the timeliness of monitoring, and has advantages in drought evaluation in high-frequency irrigation farming areas, thereby providing an in-depth understanding of strong human The agricultural drought mechanism under the influence of activities is of great significance to guide the drought risk management and defense in large-scale agricultural areas.

Description

technical field [0001] The invention relates to the technical field of agricultural drought monitoring and early warning, in particular to an agricultural drought assessment method based on an improved CMI index. Background technique [0002] Drought is one of the most common disasters. Affected by climate change and other factors, the frequency and severity of drought have increased significantly in the past decade, and have been closely watched by experts in related fields at home and abroad. The traditional definition considers drought to be a natural phenomenon, the persistent deficit of water in a given system due to changes in meteorological conditions. In fact, any system is considered to be in drought when its water volume is below normal levels, regardless of whether the water deficit is due to any (meteorological or human) cause. In areas with intense human intervention, drought is no longer a purely natural phenomenon, but a compound effect produced by both natu...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/06G06Q50/02
CPCG06Q10/06393G06Q50/02G06Q10/04
Inventor 杨明智许继军桑连海王永强李思诺吴光东景唤何山叶玉适朱苏葛刘建峰代金辉
Owner CHANGJIANG RIVER SCI RES INST CHANGJIANG WATER RESOURCES COMMISSION
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap