/begin_header /received=20140413 /investigators=Lesley_Clementson,John_Volkman /affiliations=CSIRO_CMAR,CSIRO_CMAR /contact=Lesley.Clementson@csiro.au /experiment=IMOS_Salmonoid_Aquaculture /cruise=EX102006 /station=NA /data_file_name=IMOS_abs_EX102006_20061003T011000_z0.0.sb /documents=see_references_comments /calibration_files=missing_calibration.txt /data_type=scan /data_status=final /start_date=20061003 /end_date=20061003 /start_time=01:10:00[gmt] /end_time=01:10:00[gmt] /north_latitude=-43.06940[deg] /south_latitude=-43.06940[deg] /east_longitude=147.30099[deg] /west_longitude=147.30099[deg] /cloud_percent=NA /measurement_depth=0.0000000 /secchi_depth=NA /water_depth=NA /wave_height=NA /wind_speed=NA /original_file_name=IMOS_EX102006-absorption-CDOM_20061002T235000Z-20061003T041000Z.csv,IMOS_EX102006-absorption-non-algal-detritus_20061002T235000Z-20061003T041000Z.csv,IMOS_EX102006-absorption-phytoplankton_20061002T235000Z-20061003T041000Z.csv ! ! original_project_name: A_whole-of-ecosystem_assessment_of_environmental_issues_for_salmonid_aquaculture ! abstract: The data were collected at a total of 8 stations on the RV Explorer on October 3 2006. These samples were taken in North West 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=6919 ! local_time_zone: [11] ! 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 350.7,1.9552000,0.1467000,0.0502000,0.1969 352.0,1.9167000,0.1447000,0.0513000,0.196 353.3,1.8789001,0.1427000,0.0522000,0.1949 354.7,1.8419000,0.1407000,0.0530000,0.1937 356.0,1.8056000,0.1387000,0.0531000,0.1918 357.3,1.7700000,0.1368000,0.0530000,0.1898 358.7,1.7352000,0.1349000,0.0528000,0.1877 360.0,1.7010000,0.1330000,0.0529000,0.1859 361.3,1.6674000,0.1312000,0.0522000,0.1834 362.7,1.6346000,0.1294000,0.0520000,0.1814 364.0,1.6023999,0.1276000,0.0519000,0.1795 365.3,1.5707999,0.1258000,0.0509000,0.1767 366.7,1.5398000,0.1241000,0.0504000,0.1745 368.0,1.5095000,0.1224000,0.0499000,0.1723 369.3,1.4798000,0.1207000,0.0493000,0.17 370.7,1.4506000,0.1190000,0.0487000,0.1677 372.0,1.4220001,0.1173000,0.0482000,0.1655 373.3,1.3940001,0.1157000,0.0476000,0.1633 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