Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

A Four-Band Model Method for Remote Sensing Estimation of Phycocyanin Concentration

A phycocyanin and waveband technology, which is applied in the direction of material analysis, instruments, and measurement devices by optical means, can solve the problems of time-consuming, labor-intensive, and applicability limitations, and achieves accelerated calculation speed, strong applicability, and easy calculation. Effect

Active Publication Date: 2019-03-26
南京吉泽信息科技有限公司
View PDF4 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Purpose of the invention: The purpose of the present invention is to solve the time-consuming and labor-consuming and limited applicability of the phycocyanin concentration estimation method in the prior art, and provide a four-band model method for remote sensing estimation of phycocyanin concentration. Remote sensing estimation of phycocyanin concentration in highly eutrophic water

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
  • A Four-Band Model Method for Remote Sensing Estimation of Phycocyanin Concentration
  • A Four-Band Model Method for Remote Sensing Estimation of Phycocyanin Concentration
  • A Four-Band Model Method for Remote Sensing Estimation of Phycocyanin Concentration

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0021] In order to deepen the understanding of the present invention, the present invention will be further described below in conjunction with examples. These examples are only used to explain the present invention, and do not constitute a limitation to the protection scope of the present invention.

[0022] A four-band model method for phycocyanin concentration remote sensing estimation, comprising the following steps:

[0023] Step S1: The experimental data of Taihu Lake, Chaohu Lake, Dongting Lake, and Hongze Lake were obtained through field experiment observation, including 150 sample points in total, and the remote sensing reflectance of the water surface was measured by the ASD field spectroradiometer. The spectral range is 400nm- 900nm, within this range, select λ 1 =620nm,λ 2 =600nm,λ 3 =780nm,λ 4 =650nm, the remote sensing reflectance is denoted as R rs (λ 1 ), R rs (λ 2 ), R rs (λ 4 ), R rs (λ 3 );

[0024] Step S2: Establish a four-band phycocyanin abso...

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 belongs to the technical field of remote sensing monitoring, and relates to a four-waveband model method for remote sensing estimation of the phycocyanin concentration. The method comprises the following steps: selecting a water measuring point, and carrying out actual measurement to obtain the water surface remote sensing reflectivity including 3 red wavebands and 1 near infrared waveband; 2, establishing a four-waveband phycocyanin absorption coefficient remote sensing estimation model, and finding a phycocyanin absorption coefficient; and 3, finding the phycocyanin concentration according to the phycocyanin absorption coefficient found in step 2. Adding and subtracting operation of selected wavebands in the invention reduces interference of other parameters of water, such as suspending silts and yellow substances to the phycocyanin spectrum information in order to improve the precision of the model. Only the actually measured remote sensing reflectivity is input to the above algorithm, and other parameters are consulted from known literatures or databases, so the calculating efficiency is improved, the model parameter is greatly simplified, and the practicality of the model is improved.

Description

technical field [0001] The invention belongs to the technical field of remote sensing monitoring and relates to a four-band model method for remote sensing estimation of phycocyanin concentration. Background technique [0002] Since the 1990s, the eutrophication of freshwater in my country has become increasingly serious, and the scope has continued to expand. 60% of the natural freshwater lakes have varying degrees of eutrophication pollution, which has led to eutrophication of lakes such as Dianchi Lake in Yunnan, Taihu Lake in Jiangsu, and Chaohu Lake in Anhui. Severe cyanobacterial blooms occur. In recent decades, the frequency, scale and duration of cyanobacterial blooms in lakes have shown an increasing trend, which not only has many harmful effects on lake functions and ecosystems, but also seriously affects human health and residents' lives. Therefore, accurate monitoring of cyanobacterial blooms has become a prerequisite for lake management and bloom control. Satel...

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): G01N21/3577G01N21/359
CPCG01N21/3577G01N21/359
Inventor 李云梅刘阁
Owner 南京吉泽信息科技有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com