Matches in climatepub4-kg for { <http://example.org/resource/423dda9a-30fe-4fb2-abdb-a9ae31433ad7> ?p ?o ?g. }
Showing items 1 to 15 of
15
with 100 items per page.
- 423dda9a-30fe-4fb2-abdb-a9ae31433ad7 definition "The NASA Airborned Oceanographic Lidar (AOL) Fluorosensor (AOLFL) is a laser fluorospectrometer (and associated instruments) which is carried onboard a NASA P-3B or NASA C-130 aircraft. The AOLFL measures a variety of reflected and induced light properties, from which a number of oceanographic surface water properties can be derived. These properties include ocean color and phytoplankton pigment concentrations. The primary AOLFL sensor is a dual wavelength laser fluorospectrometer. This sensor transmits two laser wavelengths, one UV (355nm) and one green (532nm) to the ocean surface from the aircraft. These laser frequencies interact with the water molecules, causing a shift in the laser frequency. This Raman shift of the 355nm and 532 nm laser radiation allows normalization of other light measurements to compensate for changes in water clarity. If biological organisms containing chlorophyll and/or phycoerythrin are present in the water, the 532nm laser light is absorbed, and reemitted as particular bands of fluorescence. These fluorescent signals can be normalized to the water Raman signal, and have been shown to agree well with shipboard measurements of the same pigments. The 355nm laser radiation causes fluorescence of some of the dissolved organic material in the water. The water Raman normalized of this dissolved organic material is labeled CDOM (chromophoric dissolved organic matter). The AOLFL also carries several spectrometers which measure the downwelling sunlight incident on the top of the aircraft, and the reflected sunlight from the ocean surface. From these measurements, various algorithms can determine chlorophyll concentrations in the same manner as CZCS satellite. The ability of the AOLFL sensors to make oceanographic optical component measurements by both laser fluorescence techiques and by reflected spectra techniques allows the validity of each technique to be tested. [This sensor description was derived from the WWW pages of the Airborne Oceanographic Lidar Laboratory, Observational Sciences Branch, Wallops Flight Facility, NASA. See http://aol.wff.nasa.gov ] Group: Instrument_Details Entry_ID: AOLFL Group: Instrument_Identification Instrument_Category: Earth Remote Sensing Instruments Instrument_Class: Active Remote Sensing Instrument_Type: Spectrometers/Radiometers Instrument_Subtype: Lidar/Laser Spectrometers Short_Name: AOLFL Long_Name: Airborne Oceanographic Lidar Fluorosensor End_Group Online_Resource: http://aol.wff.nasa.gov/ End_Group" @default.
- 423dda9a-30fe-4fb2-abdb-a9ae31433ad7 id "1654580" @default.
- 423dda9a-30fe-4fb2-abdb-a9ae31433ad7 path_id 46238695-5577-4fad-91bf-0a2fdf8a9b19 @default.
- 423dda9a-30fe-4fb2-abdb-a9ae31433ad7 path_id 6015ef7b-f3bd-49e1-9193-cc23db566b69 @default.
- 423dda9a-30fe-4fb2-abdb-a9ae31433ad7 path_id 93e67fc7-3a57-4cf0-a0f9-7f76cded167c @default.
- 423dda9a-30fe-4fb2-abdb-a9ae31433ad7 path_id b2140059-b3ca-415c-b0a7-3e142783ffe8 @default.
- 423dda9a-30fe-4fb2-abdb-a9ae31433ad7 path_id c8fe757b-b530-4d67-a553-e4903f4430a5 @default.
- 423dda9a-30fe-4fb2-abdb-a9ae31433ad7 path_label "Active Remote Sensing" @default.
- 423dda9a-30fe-4fb2-abdb-a9ae31433ad7 path_label "Earth Remote Sensing Instruments" @default.
- 423dda9a-30fe-4fb2-abdb-a9ae31433ad7 path_label "Instruments" @default.
- 423dda9a-30fe-4fb2-abdb-a9ae31433ad7 path_label "Lidar/Laser Spectrometers" @default.
- 423dda9a-30fe-4fb2-abdb-a9ae31433ad7 path_label "Spectrometers/Radiometers" @default.
- 423dda9a-30fe-4fb2-abdb-a9ae31433ad7 prefLabel "AOLFL" @default.
- 423dda9a-30fe-4fb2-abdb-a9ae31433ad7 reference "" @default.
- 423dda9a-30fe-4fb2-abdb-a9ae31433ad7 tag "Instruments" @default.