The Experts below are selected from a list of 30 Experts worldwide ranked by ideXlab platform
Paul E Larocque - One of the best experts on this subject based on the ideXlab platform.
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design description and field testing of the shoals 1000t airborne Bathymeter
Laser radar technology and applications. Conference, 2004Co-Authors: Paul E Larocque, John R Banic, Grant A CunninghamAbstract:The SHOALS-1000T is the first generation of coastal mapping systems which incorporates both airborne lidar bathymetric (ALB) and airborne topographic subsystems. Its predecessor, the SHOALS (Scanning Hydrographic Operational Airborne Lidar Survey) system went operational in 1994 and was retired in 2003 after a history of successful worldwide surveys. The SHOALS-1000T has 2.5 times the data collection rate of the previous SHOALS system and yet is about one-third the size and consumes about half the power. A description of the system design will be given, along with a summary of extensive field testing carried out in Florida in August of 2003. It will be shown that despite the reduction in size and power requirements, the basic system performance matched the previous system very well. The increased collection rate also increases other capabilities such as target detection. The addition of a digital camera has enhanced the SHOALS-1000T system as a premier coastline mapping tool.
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new capabilities of the shoals airborne lidar Bathymeter
Remote Sensing of Environment, 2000Co-Authors: Gary C Guenther, Mark W Brooks, Paul E LarocqueAbstract:Abstract The technology and methodology of airborne laser bathymetry are far from mature, and new capabilities continue to be attained. The SHOALS lidar system was recently augmented with the ability to utilize kinematic GPS (KGPS) with on-the-fly (OTF) phase ambiguity resolution to permit the system to be used more extensively over land and for shoreline and other topographic mapping, in addition to underwater bathymetry. The seamless integration of these capabilities permits continuous surveying across the land/water boundary. Importantly, this also permits the production of sea bottom and topographic elevations without the need for concurrently measured water-level data. Algorithms and procedures associated with the use of OTF KGPS are presented along with examples of performance.
Gary C Guenther - One of the best experts on this subject based on the ideXlab platform.
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new capabilities of the shoals airborne lidar Bathymeter
Remote Sensing of Environment, 2000Co-Authors: Gary C Guenther, Mark W Brooks, Paul E LarocqueAbstract:Abstract The technology and methodology of airborne laser bathymetry are far from mature, and new capabilities continue to be attained. The SHOALS lidar system was recently augmented with the ability to utilize kinematic GPS (KGPS) with on-the-fly (OTF) phase ambiguity resolution to permit the system to be used more extensively over land and for shoreline and other topographic mapping, in addition to underwater bathymetry. The seamless integration of these capabilities permits continuous surveying across the land/water boundary. Importantly, this also permits the production of sea bottom and topographic elevations without the need for concurrently measured water-level data. Algorithms and procedures associated with the use of OTF KGPS are presented along with examples of performance.
Mark W Brooks - One of the best experts on this subject based on the ideXlab platform.
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new capabilities of the shoals airborne lidar Bathymeter
Remote Sensing of Environment, 2000Co-Authors: Gary C Guenther, Mark W Brooks, Paul E LarocqueAbstract:Abstract The technology and methodology of airborne laser bathymetry are far from mature, and new capabilities continue to be attained. The SHOALS lidar system was recently augmented with the ability to utilize kinematic GPS (KGPS) with on-the-fly (OTF) phase ambiguity resolution to permit the system to be used more extensively over land and for shoreline and other topographic mapping, in addition to underwater bathymetry. The seamless integration of these capabilities permits continuous surveying across the land/water boundary. Importantly, this also permits the production of sea bottom and topographic elevations without the need for concurrently measured water-level data. Algorithms and procedures associated with the use of OTF KGPS are presented along with examples of performance.
Miguel A Miranda - One of the best experts on this subject based on the ideXlab platform.
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snorkelling vs diving in mixed micelles probed by means of a molecular Bathymeter
Organic and Biomolecular Chemistry, 2017Co-Authors: Gemma M Rodriguezmuniz, Miguel Gomezmendoza, Edurne Nuin, Inmaculada Andreu, Luisa M Marin, Miguel A MirandaAbstract:A photoactive Bathymeter based on a carboxylic acid moiety covalently linked to a signalling methoxynaphthalene (MNP) fluorophore has been designed to prove the concept of "snorkelling" vs. "diving" in mixed micelles (MM). The carboxylic acid "floats" on the MM surface, while the MNP unit sinks deep in MM. The rate constants of MNP fluorescence quenching by iodide, which remains basically in water, consistently decrease with increasing spacer length, revealing different regions. This is associated with the distance MNP should "dive" in MM to achieve protection from aqueous reactants. Unequivocal proof of the exergonic photoinduced electron transfer was obtained from the UV-visible spectral signature of I3- upon steady-state photolysis. The applicability of the Bathymeter was examined upon testing a family of MNP derivatives. The obtained results were validated by comparison with different lipophilicity tests: (i) a modified version of the Kow partition coefficient and (ii) the retention factor on thin layer chromatography. This concept could potentially be extended to test drugs or pharmacophores exhibiting any photoactive moiety.
Gemma M Rodriguezmuniz - One of the best experts on this subject based on the ideXlab platform.
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snorkelling vs diving in mixed micelles probed by means of a molecular Bathymeter
Organic and Biomolecular Chemistry, 2017Co-Authors: Gemma M Rodriguezmuniz, Miguel Gomezmendoza, Edurne Nuin, Inmaculada Andreu, Luisa M Marin, Miguel A MirandaAbstract:A photoactive Bathymeter based on a carboxylic acid moiety covalently linked to a signalling methoxynaphthalene (MNP) fluorophore has been designed to prove the concept of "snorkelling" vs. "diving" in mixed micelles (MM). The carboxylic acid "floats" on the MM surface, while the MNP unit sinks deep in MM. The rate constants of MNP fluorescence quenching by iodide, which remains basically in water, consistently decrease with increasing spacer length, revealing different regions. This is associated with the distance MNP should "dive" in MM to achieve protection from aqueous reactants. Unequivocal proof of the exergonic photoinduced electron transfer was obtained from the UV-visible spectral signature of I3- upon steady-state photolysis. The applicability of the Bathymeter was examined upon testing a family of MNP derivatives. The obtained results were validated by comparison with different lipophilicity tests: (i) a modified version of the Kow partition coefficient and (ii) the retention factor on thin layer chromatography. This concept could potentially be extended to test drugs or pharmacophores exhibiting any photoactive moiety.
