KR101517728B1 - Apparatus for monitoring red tide and green tide occurrence - Google Patents
Apparatus for monitoring red tide and green tide occurrence Download PDFInfo
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- KR101517728B1 KR101517728B1 KR1020140038049A KR20140038049A KR101517728B1 KR 101517728 B1 KR101517728 B1 KR 101517728B1 KR 1020140038049 A KR1020140038049 A KR 1020140038049A KR 20140038049 A KR20140038049 A KR 20140038049A KR 101517728 B1 KR101517728 B1 KR 101517728B1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/65—Raman scattering
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/483—Physical analysis of biological material
- G01N33/4833—Physical analysis of biological material of solid biological material, e.g. tissue samples, cell cultures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/06—Illumination; Optics
- G01N2201/061—Sources
- G01N2201/06113—Coherent sources; lasers
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- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
Description
More particularly, the present invention relates to a roll / pitch correction unit and a roll / pitch correction unit that are capable of correcting vibration and roll / pitch, and more particularly, The present invention relates to a system and a method for calibrating a roll and a pitch, which are capable of correcting a roll /
Since industrialization in the 1970s, the pollution of many lakes and rivers in Korea has been polluted due to the increase of emission pollution sources, and eutrophication such as mass production of birds has frequently occurred, which is becoming a big social problem.
Due to the mass production of cyanobacteria in some lakes that have recently been used as a water source, problems such as hobbies and toxins have arisen.
The green tide and red tide phenomenon have the following adverse effects when the green tide is generated due to the phenomenon that the water temperature rises in the rivers and lakes and the water flow becomes gentle and the water body grows green or indigo as a result of massive proliferation of algae or cyanobacteria in the water.
First, it is visually impaired by coloration or scum formation, causing visual discomfort from dead fish, and recreational activities.
Second, from the viewpoint of public health, the harmful effects of cyanobacterial toxins on human body and livestock are caused by this hobby.
Third, ecological destruction of native ecosystems destroys native animals, habitat migration, population changes, and food loss.
Fourthly, there are economical losses due to local economic loss due to recreational activities and travel disruption, agricultural water and lack of industrial water, loss of livestock caused by avian toxins, dead of wild animals, It affects animal health by the death of fish and aquatic organisms due to reduced dissolved oxygen.
In addition, production of cyanobacterial toxin, formation of this hobby, clogging of filter paper, inhibition of coagulation sedimentation, excessive chlorine treatment during the process of water treatment, and THM generation, adversely affect the water source.
As described above, algae that adversely affects aquatic organisms are classified into simple single cells and multicellular microorganisms that carry out carbon assimilation, such as cyanobacteria, green algae, and diatoms.
Cyanobacteria are the predominant algae in eutrophicated waters and have nitrogen fixation ability. They form dormant spores that are resistant to adverse environment and endure. When the environment improves, they germinate and reproduce, and because of their high water temperature and high adaptability to pH, Mass proliferation can occur. In addition, green algae proliferate from late spring to early fall season, and in the waterworks facilities, they form a filtration membrane of sedimentation or slow filter paper. If they multiply rapidly, they may smell water and close the filter paper. In addition to chlorophyll-a and b, diatoms contain pigments such as diatomaceous earth and xanthophyll, and they reproduce everywhere from seawater to fresh water and soil. They are floating and adherent. Lt; / RTI > If it is excessive, it interferes with aggregation and precipitation, and clogs the filter paper.
Red tide, on the other hand, means that phytoplankton, especially phytoplankton, propagate in large quantities and change the color of the sea water to red or yellowish brown. When organic matter is abundant in the water and the amount of sunshine and water temperature is appropriate, red tide appears. Because of the large amount of oxygen consumed for the decomposition of the massive reproductive plankton, fish are exposed to a large number of dead fish due to lack of oxygen. In addition, mass reproductive plankton attaches to the gills of fish and suffocates the fish, and the monocotyledon, coccolinium, kills the fish by poisoning the poison.
Red tides are mostly occurring in the coastal waters, such as when the surface water temperature is rising, when the nutrients are greatly increased due to the influx of fresh water due to heavy rain, rainy season, or when the sea water is not mixed well due to the windless condition. In Korea, during the rainy season in July and August, a large amount of land pollutants have been introduced into the sea and eutrophication of seawater has occurred since September.
Currently, red tide alerts are issued when a red tide phenomenon occurs at the National Fisheries Research and Development Agency and Fisheries Research Institute, and there is a risk that fish damage will occur due to the presence of large or toxic species. Red tide alarms include red tide warning, red tide warning, red tide breaking, and red tide cancellation. If the density of red tide creatures is large, the damage is expected to be great, but not necessarily. Therefore, special attention should be paid to the occurrence of toxic red tide organisms when red tide alarms are issued. This is because the problem of paralysis and diarrhea is a problem other than mass mortality.
As a detection method for such red tide occurrence, conventionally, the red tide concentration of the seawater taken in the sea directly by taking the water using the microscope is visually checked, and when the red tide concentration is detected above the reference value, the red tide alarm is artificially caused in the sea area It is noticed that red tide has occurred. Korean Patent No. 10-0252381 discloses that red tide sensor is used as a means of detecting red tide. A chlorophyll sensor or a turbidimeter may be used as the red tide detection sensor, or a sensor capable of measuring the concentration of harmful substances such as oil pollution is used.
However, the method of detecting red tide by picking water does not only require time for analysis after collection, but also has a limit in that it can not extensively investigate a wide area, and a method of detecting red tide using a red tide detection sensor Therefore, there is a problem in that it is not possible to detect the harmful red tide while moving, and the speed is deteriorated when considering the fast diffusion speed of the harmful red tide and the judgment speed of occurrence. Also, there is a problem that it is difficult to transmit the data directly to the base station by generating the blooming intensity as digital data.
Accordingly, in recent years, a method of measuring the amount of fluorescence generated in chlorophyll-a present in water and quantitatively measuring the presence of algae in water has been used.
The above-mentioned method has a problem that it is impossible to perform real-time on-line monitoring because the sample to be measured is separately collected and measured in a green-tidal area.
Korean Patent No. 10-1338038 discloses a method of detecting a Raman signal and a blooming fluorescence signal of water induced by a laser at a predetermined position of a water, detecting the water at a predetermined distance or more, condensing the signals, An optical measuring unit, a lifting unit supporting the remote optical measuring instrument, a lifting unit for lifting the optical measuring unit, analyzing data quantized for each wavelength range input from the remote optical measuring unit, and controlling operations of the remote optical measuring unit and the lifting unit A control unit, and a mobile unit provided at a lower end of the lifting unit and having rollers that can be pulled on the ground.
However, such a method is problematic in that accurate analysis is difficult due to the impact of a temporary installation place, vibration of a ship or an aircraft, and correction is required according to changes in roll and pitch.
An object of the present invention is to provide a roll / pitch correction unit and a vibration damping unit in the green algae monitoring apparatus to effectively prevent the vibration of the entire vibration system and correct the roll and pitch, Which is capable of performing vibration and roll / pitch correction.
The present invention relates to a remote optical measuring telescope which irradiates a laser at a predetermined position of water, detects a Raman signal and a blooming fluorescence signal of water induced by the laser at a predetermined distance or more, collects the signals and quantifies them by each wavelength region. An installation box installed at the lower end of the remote optical measuring telescope and including a roll / pitch correction unit, a light source driving module and a spectroscope; A liftable lifter provided at the lower end of the roll / pitch correction stage; A control device for analyzing the quantified data for each wavelength range input from the remote optical measuring telescope and controlling the operation of the remote optical measuring telescope and the lifter; And a base device installed at a lower end of the lifter, the base device including a base for supporting the lifter and a vibration damper for preventing vibrations.
The remote optical measuring telescope includes a photodetector for detecting a Raman signal and a blooming fluorescence signal of water induced by the laser at a predetermined distance or more, a light source installed at the center of the front face of the photodetector for irradiating laser at a predetermined position of water, And a spectroscopic unit connected to the photodetection unit and quantifying the collected signals for each wavelength region.
The light source unit includes a light source for emitting a laser beam, a focus adjustment module connected to the light source for adjusting a focus of the laser, a mount connected to the focus adjustment module, And an alignment module having a length adjustable screw at a plurality of positions to perform alignment between the light source and the optical detection unit.
Preferably, the mount is fixed at the center of the front surface of the light detecting portion.
It is preferable that the light source unit includes a light source driving module that adjusts the intensity of the laser in the light source.
Preferably, the photodetecting unit is fixed by an electric control unit capable of adjusting the posture from the upper end of the lifting unit to all directions.
The spectroscopic unit includes a connector connected to a rear portion of the optical detection unit, an optical coupler connected to the connector, for filtering the wavelength of a predetermined region of the condensed signal, and an optical coupler connected to the optical coupler, And a spectroscope connected to the optical fiber and extracting the components of the signals in a plurality of wavelength bands.
It is preferable that a fine position adjuster for adjusting the posture of the optical fiber by adjusting the length of the plurality of adjusting screws at a plurality of positions of the optical fiber is further provided on the rear surface of the optical coupler.
In addition, a roll / pitch correction unit, the light source driving module, and the spectroscope are preferably installed in the installation box.
The lifter includes an up / down cylinder installed upright on an upper end of the base and having a cylinder axis that can be elevated, and an installation box is installed at an upper end of the cylinder axis.
In the upper part of the base, a supporting stand installed in an upright state is provided. On the upper end of the supporting stand, a multi-joint link is provided, and a display is installed at an end of the link.
The vibration dampers are installed at the bottom of the greenhouse generation monitoring device capable of vibration and roll / pitch calibration, and include an air suspension and a vibration damping plate.
The display visually outputs an analysis result of quantified data for each wavelength region of the control unit.
Therefore, according to the present invention as described above, it is possible to install a green tide generation monitoring device including a roll / pitch correction table and a vibration damping table to effectively prevent vibration of the entire system when used on a ship or an airplane, It is possible to cope with changes in the rolling and pitch of the optical measuring telescope.
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic view showing a configuration of a green tide generation monitoring apparatus capable of performing vibration and roll / pitch correction according to the present invention; FIG.
FIG. 2 is another view schematically showing a configuration of a greenhouse generation monitoring apparatus capable of performing vibration and roll / pitch correction according to the present invention.
3 is a photograph showing an example of the lifter of FIG.
4 is a side cross-sectional view of a roll / pitch correction band according to the present invention.
Figure 5 is a bottom view of a roll / pitch correction band in accordance with the present invention;
6 is a photograph showing the light source unit according to the present invention.
7 is a photograph showing a light detecting portion according to the present invention.
8 is a photograph showing the coupling relationship between the light source part and the light detecting part according to the present invention.
9 is a conceptual diagram showing the configuration of a light-splitting unit having an optical coupler according to the present invention.
10 is a photograph showing the coupling relationship between the connector and the optical coupler of FIG.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a greenhouse generation monitoring apparatus capable of performing roll / pitch correction according to the present invention will be described with reference to the accompanying drawings.
FIG. 1 is a view schematically showing a configuration of a greenhouse generation monitoring apparatus capable of performing vibration and roll / pitch calibration according to the present invention. FIG. 2 schematically shows a configuration of a greenhouse generation monitoring apparatus capable of performing vibration and roll / Fig. 3 is a photograph showing an example of a lifter according to the present invention. Fig. 4 is a side cross-sectional view of a roll / pitch correction band according to the present invention. Figure 5 is a bottom view of a roll / pitch correction band in accordance with the present invention;
The greenhouse generation monitoring apparatus capable of performing vibration and roll / pitch calibration of the present invention comprises a remote
First, the
Referring to FIGS. 1 to 3, the
The elevating
Accordingly, the
Here, the
The
The
The
The roll / pitch correction table 400 includes a
It is preferable that the roll / pitch correction table 400 can cope with changes in rolling and pitch that can occur when the apparatus is used in a ship or an aircraft.
In particular, it may be desirable to minimize the size and weight of the roll /
The
The
The
More preferably, the
The
It is preferable that the
The base 600 according to the present invention is installed at the upper end of the
The
The
It is preferable to increase the weight of the upper
Next, the configuration of the remote optical measuring
The remote optical measuring
The remote optical measuring
The
The light source is a member for irradiating a laser.
The
The
The
For example, the
In addition, the
The
First, the configuration of the
FIG. 7 is a photograph showing the light detecting unit according to the present invention, and FIG. 8 is a photograph showing a coupling relation between the light detecting unit and the light detecting unit according to the present invention.
Referring to FIG. 7, the
The
Although not shown in the drawing, the
In the
Therefore, the
8, the
Here, the
FIG. 9 shows the structure of a light splitting part having an optical coupler according to the present invention.
The
The
The
The
The
The
An
The
A micro-position adjuster (not shown) is further provided on the rear surface of the
Further, the
According to the present invention, a support table 700 installed in an upright state is installed at the upper end of the
The
Also, as shown in FIG. 2, a
At the end of the
In addition, a wireless module is installed in the
Next, the operation of each component of the red tide and green tide occurrence monitoring apparatus utilizing the laser of the present invention will be described with reference to Figs. 1 to 10. Fig.
The light source according to the present invention uses a high power laser diode as a light source in consideration of miniaturization, light weight, field adaptability, and user convenience of a red tide sensor to detect a water Raman signal for fluorescence signal of red tide creature and red tide biometry The subject matter (sea water) can be excited.
The
Therefore, the beam divergence phenomenon of the laser can be prevented.
In addition, by performing alignment with the
In addition, by controlling the intensity of the laser using the light
Therefore, reliability / reproducibility can be secured by removing noise measurement optical signals due to natural light and artificial light entering the remote
Further, the light
Meanwhile, the
The
The
In the present invention, by connecting the
Further, the
By connecting the
In addition, the
The
Therefore, in the present invention, since the mechanical device is not used and the structure of the device is simplified, the reproducibility of the wavelength can be improved.
In addition, the
In the meantime, since the greenhouse generation monitoring apparatus capable of performing vibration and roll / pitch calibration according to the present invention uses a high-power laser as a light source, when the apparatus is in use, There is a possibility that personal and physical damage due to laser light may occur. Accordingly, it is preferable that the apparatus of the present invention further includes a safety unit with an ultrasonic sensor to prevent human and material damage.
Accordingly, the present invention includes an ultrasonic sensor that automatically turns off the laser light source when an object approaches the laser trail region in the red tide and green tide occurrence monitoring apparatus using the laser to prevent damage due to contact with the laser And a safety unit.
It is preferable that the safety unit including the ultrasonic wave is driven simultaneously with the laser light irradiation so that the laser light source is automatically turned off when an object approaches within a radius of 50 m of the laser measurement area.
The safety unit including the ultrasonic waves may be supported by a lifter and installed in parallel with the remote optical measurement telescope.
When an object is detected by the signal of the ultrasonic sensor simultaneously while the laser beam is irradiated by the laser and the object is approaching within the laser measurement area, the laser light source is automatically turned off, .
In order to mount a monitoring device for vibration and roll / pitch calibration according to the present invention on a ship or an aircraft, it is necessary to reduce a laser measurement error rate caused by a direct force disturbance It is necessary to install a vibration-free unit.
Such non-vibration unit can use a conventional one, and the load applied to the upper part and the vibration generated from the surface or the ship are canceled by the pressure of the air filled in the chamber in the chamber so that the monitoring device of the present invention maintains a constant position.
Accordingly, the present invention includes a vibration-free unit for keeping the measuring device in a constant position by canceling the load applied to the upper part and the vibration generated in the vessel or the vessel by the air pressure filled in the chamber in the further aspect .
It is preferable that the non-vibration unit is installed in a lifter.
In this way, the non-vibration unit adjusts the air pressure introduced from the outside by the orifice, and the height of the chamber changes fluidly according to the degree of the TOP vibration by the operation of the leveling valve, thereby maintaining the non-vibration.
While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It will be understood by those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive.
1: Remote optical measuring telescope 2: Installation box
3: Lifter 4: Base unit
100: optical detector 110: electric adjuster
200: light source 220: focus adjustment module
230: Mount 240: Alignment module
241: screws 250: light source driving module
300: minute portion 310: connector
320: coupler 330: optical fiber
340: spectroscope 350: output section
400: Roll / Pitch Correction Zone 410: Roll / Pitch Correction Stand
420: Roll / Pitch Correction Bottom plate 430: 2 layer tilt center
440: Hydraulic lifter 500: Lifting cylinder
510: Cylinder shaft 600: Base
610: anti-shaking table 611: anti-vibration plate
612: Suspension 700: Support
710: Multi-joint link 800: Display
Claims (6)
A remote optical measuring telescope for irradiating a laser at a predetermined position of water, detecting a water Raman signal and a red tide fluorescence signal induced by the laser at a predetermined distance or more, collecting the signals and quantifying the signals for each wavelength region;
An installation box installed at the lower end of the remote optical measuring telescope and including a roll / pitch correction unit, a light source driving module and a spectroscope;
A liftable lifter installed at a lower end of the installation box;
A vibration-free unit installed in the lifting unit for maintaining a constant position of the measuring instrument by canceling the load applied to the upper portion and the vibration generated from the surface or the ship by the air pressure filled in the chamber of the vibration damper;
A control device for analyzing the quantified data for each wavelength range input from the remote optical measuring telescope and controlling the operation of the remote optical measuring telescope and the lifter; And
An infrastructure device installed at the lower end of the lifter, the base device including a base for supporting the lifter and a vibration dam in the form of an air suspension for preventing vibration, wherein vibration and roll / pitch correction are possible,
The roll / pitch correction stage includes an upper plate connected to the telescopic telescope, a lower plate attached to the upper end of the lifter, a tilt measurement sensor installed at the center of the upper plate, and a hydraulic lifter connecting the upper plate and the lower plate,
Wherein the tilt measurement sensor of the roll / pitch correction band is two different axis tilt sensors and is installed in the roll and pitch direction in the center of the top plate of the roll / pitch correction band.
Wherein the hydraulic lifter has three drive units arranged in an equilateral triangle on the lower plate and the upper plate of the correction table.
Wherein the roll / pitch correction base plate is connected to a remote optical measurement telescope with a hinge that is freely movable in two different axes for flexible movement.
Wherein the vibration damping unit includes an air suspension to prevent vibration of the entire system due to vibration generated from a ship or an airplane.
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KR1020140038049A KR101517728B1 (en) | 2014-03-31 | 2014-03-31 | Apparatus for monitoring red tide and green tide occurrence |
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KR1020140038049A KR101517728B1 (en) | 2014-03-31 | 2014-03-31 | Apparatus for monitoring red tide and green tide occurrence |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110487981A (en) * | 2019-07-03 | 2019-11-22 | 中国科学院光电研究院 | A kind of red tide monitoring system and method |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH08297027A (en) * | 1995-04-27 | 1996-11-12 | Komatsu Ltd | Damping device of running working vehicle |
JP2000180562A (en) * | 1998-12-17 | 2000-06-30 | Kawasaki Heavy Ind Ltd | Buried object locating method and device |
KR101185136B1 (en) * | 2012-04-26 | 2012-09-24 | 주식회사 로보멕 | Three dimensional stabilized pan-tilt apparatus |
KR101338038B1 (en) * | 2012-09-05 | 2013-12-06 | 동양하이테크산업주식회사 | Apparatus for monitoring red tide and green tide occurrence |
-
2014
- 2014-03-31 KR KR1020140038049A patent/KR101517728B1/en active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH08297027A (en) * | 1995-04-27 | 1996-11-12 | Komatsu Ltd | Damping device of running working vehicle |
JP2000180562A (en) * | 1998-12-17 | 2000-06-30 | Kawasaki Heavy Ind Ltd | Buried object locating method and device |
KR101185136B1 (en) * | 2012-04-26 | 2012-09-24 | 주식회사 로보멕 | Three dimensional stabilized pan-tilt apparatus |
KR101338038B1 (en) * | 2012-09-05 | 2013-12-06 | 동양하이테크산업주식회사 | Apparatus for monitoring red tide and green tide occurrence |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110487981A (en) * | 2019-07-03 | 2019-11-22 | 中国科学院光电研究院 | A kind of red tide monitoring system and method |
CN110487981B (en) * | 2019-07-03 | 2021-10-22 | 中国科学院光电研究院 | Red tide monitoring system and method |
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