/begin_header /received=20140413 /investigators=Lesley_Clementson,John_Volkman /affiliations=CSIRO_CMAR,CMAR_TAFI /contact=Lesley.Clementson@csiro.au /experiment=IMOS_Salmonoid_Aquaculture /cruise=EX092005 /station=NA /data_file_name=IMOS_abs_EX092005_20050922T010159_z27.0.sb /documents=see_references_comments /calibration_files=missing_calibration.txt /data_type=scan /data_status=final /start_date=20050922 /end_date=20050922 /start_time=01:01:59[gmt] /end_time=01:01:59[gmt] /north_latitude=-43.24830[deg] /south_latitude=-43.24830[deg] /east_longitude=147.06900[deg] /west_longitude=147.06900[deg] /cloud_percent=NA /measurement_depth=27.0000000 /secchi_depth=NA /water_depth=NA /wave_height=NA /wind_speed=NA /original_file_name=IMOS_EX092005-absorption-CDOM_20050920T013300Z-20050922T031200Z.csv,IMOS_EX092005-absorption-non-algal-detritus_20050920T013300Z-20050922T031200Z.csv,IMOS_EX092005-absorption-phytoplankton_20050920T013300Z-20050922T031200Z.csv ! ! original_project_name: A_whole-of-ecosystem_assessment_of_environmental_issues_for_salmonid_aquaculture ! abstract: The data were collected at a total six stations on the RV Explorer from September 20-22 2005. These samples were taken in the Huon Estuary, offshore from Hideaway Bay. The data were collected to determine the bio-optical charateristics of this region. The data can be used for Ocean Colour sensor validation. Parameters measured are pigments and the absorption coefficients for dissolved (CDOM) particulate (ap) and detrital or non-algal (ad) components of the water column. ! references: http://www.marine.csiro.au/marq/edd_search.Browse_Citation?txtSession=6917 ! local_time_zone: [10] ! vessel: RV Explorer ! ! comments: the ag data is derived as follows; An exponential function a(lambda) = a(350).exp(-S(lambda -350)) + b was fitted to all CDOM spectra over the wavelength range 350 to 750 nm. A non-linear least-squares technique was used to fit the equation to the untransformed data. ! comments: the ad data is derived as follows; An exponential function a(lambda) = a(350).exp(-S(lambda -350)) + b was fitted to all detrital spectra over the wavelength range 350 to 750 nm. A non-linear least-squares technique was used to fit the equation to the untransformed data. ! comments: the aph data is derived as follows; Total particulate spectra were smoothed using a running box-car filter with width 10 nm, and the fitted detritus spectra subtracted. Subtracting fitted detritus spectra minimised any artefacts due to incomplete extraction of pigments ! /missing=-999 /delimiter=comma /fields=wavelength,ag,ad,aph,ap /units=nm,1/m,1/m,1/m,1/m /end_header 350.7,0.7781000,0.1461000,0.0035000,0.1496 352.0,0.7617000,0.1441000,0.0051000,0.1492 353.3,0.7456000,0.1421000,0.0063000,0.1484 354.7,0.7299000,0.1402000,0.0072000,0.1474 356.0,0.7145000,0.1382000,0.0074000,0.1456 357.3,0.6995000,0.1364000,0.0081000,0.1445 358.7,0.6847000,0.1345000,0.0089000,0.1434 360.0,0.6703000,0.1326000,0.0097000,0.1423 361.3,0.6562000,0.1308000,0.0097000,0.1405 362.7,0.6423000,0.1290000,0.0098000,0.1388 364.0,0.6288000,0.1273000,0.0104000,0.1377 365.3,0.6155000,0.1255000,0.0104000,0.1359 366.7,0.6026000,0.1238000,0.0102000,0.134 368.0,0.5899000,0.1221000,0.0104000,0.1325 369.3,0.5774000,0.1204000,0.0101000,0.1305 370.7,0.5653000,0.1188000,0.0100000,0.1288 372.0,0.5533000,0.1172000,0.0103000,0.1275 373.3,0.5417000,0.1156000,0.0101000,0.1257 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