Remote sensing of Arctic Fjords by Raman lidar: Heat transfer screening by layer of glacier’s relict water

Першин, С. М.; Бункин, А. Ф.; Klinkov, V. K.; Lednev, V. N.; Lushnikov, Dmitry L.; Morozov, E. G.; Yulmetov, Renat

doi:10.3103/s1541308x12030090

Cited by 12 publications

(3 citation statements)

References 10 publications

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“…127,128 Using this technique, temperature profiles have been measured to 30 m using a 450-nm laser on a ship. 123 However, the technique has not found wide application largely because of interference with background light over the broad Raman band, distortion of the spectrum by differential absorption over that same band, and practical problems associated with high-energy blue sources.…”

Section: Temperaturementioning

confidence: 99%

Review of profiling oceanographic lidar

Churnside

2013

Opt. Eng

145

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This paper provides a review of the development of profiling oceanographic lidars. These can provide quantitative profiles of the optical properties of the water column to depths of 20 to 30 m in productive coastal waters and to depths of 100 m for a blue lidar in the open ocean. The properties that can be measured include beam attenuation, diffuse attenuation, absorption, volume scattering at the scattering angle of 180 deg, and total backscattering. Lidar can be used to infer the relative vertical distributions of fish, plankton, bubbles, and other scattering particles. Using scattering as a tracer, lidar can provide information on the dynamics of the upper ocean, including mixed-layer depth, internal waves, and turbulence. Information in the polarization of the lidar return has been critical to the success of many of these investigations. Future progress in the field is likely through a better understanding of the variability of the lidar ratio and the application of high-spectral-resolution lidar to the ocean. Somewhat farther into the future, capabilities are likely to include lidar profiling of temperature in the ocean and an oceanographic lidar in space.

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Section: Temperaturementioning

confidence: 99%

Review of profiling oceanographic lidar

Churnside

2013

Opt. Eng

145

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“…Nowadays, the blossoming of unmanned aircraft vehicle (UAV) development has completely changed the exploitation costs [14,15]. The drop in UAV exploitation costs triggered a renaissance in LIDAR instrument development [16][17][18][19][20][21][22][23][24][25]. However, modern UAVs can carry only a few kg weight of compact sizes (10 × 10 × 10 cm 3 ) and low power consumption (<50 W), so the developed LIDAR instruments have to fit these requirements.…”

Section: Introductionmentioning

confidence: 99%

Fluorescence Mapping of Agricultural Fields Utilizing Drone-Based LIDAR

et al. 2022

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A compact and low-weight LIDAR instrument has been developed for laser-induced fluorescence spectroscopy sensing of maize fields. Fluorescence LIDAR had to be installed on a small industrial drone so that its mass was <2 kg and power consumption was <5 W. The LIDAR instrument utilized a continuous wave diode laser (405 nm, 150 mW) for inducing fluorescence and a small spectrometer for backscattered photons acquisition. For field testing, the LIDAR instrument was installed on a quadcopter for remote sensing of plants in a maize field in three periods of the plant’s life. The obtained fluorescence signal maps have demonstrated that the average chlorophyll content is rather non-uniform over the field and tends to increase through the plant vegetation cycle. Field tests proved the feasibility and perspectives of autonomous LIDAR sensing of agricultural fields from drones for the detection and location of plants under stress.

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“…Laser remote sensing has been shown to provide valuable information on the ocean surface layer [19][20][21][22][23][24][25][26], including Arctic [27][28][29] and Antarctic regions [30,31]. However, few studies on laser remote sensing of freshwater areas have been published in the literature so far [13].…”

Section: Introductionmentioning

confidence: 99%

Laser remote sensing of an algal bloom in a freshwater reservoir

et al. 2016

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Laser remote sensing of an algal bloom in a freshwater reservoir on the Volga River in central Russia was carried out. The compact Raman lidar was installed on a small ship to probe the properties of the surface water layer in different typical regions of Gorky Water Reservoir. Elastic and Raman scattering as well as chlorophyll fluorescence were quantified, mapped and compared with data acquired by a commercial salinity, temperature and depth probe (STD probe) equipped with a blue-green algae sensor. Good correlation between lidar and STD measurements was established.

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Remote sensing of Arctic Fjords by Raman lidar: Heat transfer screening by layer of glacier’s relict water

Cited by 12 publications

References 10 publications

Review of profiling oceanographic lidar

Review of profiling oceanographic lidar

Fluorescence Mapping of Agricultural Fields Utilizing Drone-Based LIDAR

Laser remote sensing of an algal bloom in a freshwater reservoir

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