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Shore-based hermatypic coral spectral measurement method

A spectral measurement and reef technology, applied in the field of spectral reflectance measurement of reef-building coral samples, can solve problems such as difficulty in understanding the ecological health of coral reefs in remote areas, and inability to obtain large-area observation data, saving field observation time and saving time and economic costs

Inactive Publication Date: 2016-08-24
SOUTH CHINA SEA INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to solve the limitation that existing test methods cannot obtain large-scale observation data, and the technical problems that it is difficult to understand the ecological health status of coral reefs in remote areas, and provide a shore-based system that can greatly save the time and economic cost of field investigations. Reef-building stony coral spectral measurement method

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  • Shore-based hermatypic coral spectral measurement method

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Embodiment 1

[0022] The shore-based reef-building coral spectral measurement method of the present embodiment is specifically carried out according to the following steps:

[0023] One, such as Figure 5 As shown, black wallpaper is pasted on the inner wall of the glass cylinder 1, and black nylon cloth is laid in the glass cylinder. The stand is tightly wound with black electrical tape in advance, seawater is passed into the water inlet and outflowed from the water outlet, and then the reef-building coral sample block 8 is placed on the iron stand of the glass tank filled with seawater, and the seawater flow rate is controlled to 0.5L / min , the temperature of the incoming seawater is 26-28°C, and the constant flow of seawater is maintained;

[0024] 2. Use a light intensity of 10 6 μmol / m 2 The light source 5 of / s irradiates the reef-building coral sample piece in step one glass tank, and adopts spectrometer 6 to measure the spectral reflectance of reef-building coral sample piece, du...

Embodiment 2

[0030] The shore-based coral spectral measurement method of the present embodiment is specifically carried out according to the following steps:

[0031] One, such as Figure 5 As shown, black wallpaper is pasted on the inner wall of the glass tank 1, and black nylon cloth is laid in the glass tank. The stand is tightly wound with black electrical tape in advance, the seawater is passed through the water inlet and the water outlet flows out, and then the reef-building coral sample block 8 is placed on the iron stand 4 in the glass tank filled with seawater, and the seawater flow rate is controlled to be 0.5L / min, the temperature of the incoming seawater is 26°C;

[0032] 2. Use a light intensity of 10 6 μmol / m 2 The light source 5 of / s irradiates the reef-building coral sample piece in step one glass tank, and adopts spectrometer 6 to measure the spectral reflectance of reef-building coral sample piece, during measurement, spectrometer probe 7 is perpendicular to the reef...

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Abstract

The invention discloses a shore-based hermatypic coral spectral measurement method. A black adiaphanous cylinder is arranged, a water inlet is formed in the lower end of the cylinder, a water outlet is formed in the upper end of the cylinder, a black iron stand table is placed in the cylinder, sea water enters the cylinder through the water inlet and overflows through the water outlet, the sea water is kept flowing, then a hermatypic coral sample block is placed in the iron stand table in the cylinder containing the sea water, then a light source irradiates the hermatypic coral sample block, and a spectrograph is adopted for measuring the spectral reflectance of the hermatypic coral sample block; in the measuring process, a spectrograph probe is perpendicular to the surface of the hermatypic coral sample block, measurement is carried out many times, and averaging is carried out. Based on a shore-based laboratory, the wild measuring environment is simulated in the shore-based laboratory, and the spectral reflectance of hermatypic coral is measured. Therefore, a large amount of field observation time can be saved, measurement can be completed simply by taking back part of living samples in a hermatypic coral area, hard to reach, in a remote region, and the time and economic cost of field survey are greatly saved.

Description

Technical field: [0001] The invention belongs to the field of spectral reflectance measurement of reef-building coral samples, and in particular relates to a shore-based reef-building coral spectral measurement method. Background technique: [0002] Coral reef ecosystems have very important ecological services, social, economic and cultural values. However, changes in factors such as rising sea surface temperature, ocean acidification, seawater pollution, and intensified human activities have directly affected the health of coral reefs. Global coral reef ecosystems have been damaged and large-scale coral bleaching and death events have occurred frequently. Remote sensing technology has the characteristics of real-time and large-scale monitoring, which can promote the monitoring and management of coral reef ecosystems. Identifying the spectral reflectance characteristics of coral reef substrate is a difficult point in coral reef remote sensing technology, and it is also a ho...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/31
CPCG01N21/314G01N2021/3148
Inventor 陈永强陈标谢强黄晖雷新明郭明兰杨剑辉张浴阳
Owner SOUTH CHINA SEA INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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