Data

Secchi Disk Depth (a measure of water clarity), 1992 - 2006 (MTSRF 1.1.5, AIMS, QDPI-F)

eAtlas
Schaffelke, Britta, Dr ; Coles, Rob, Dr ; Furnas, Miles J, Dr ; De'ath, Glenn, Dr
Viewed: [[ro.stat.viewed]] Cited: [[ro.stat.cited]] Accessed: [[ro.stat.accessed]]
ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=https://eatlas.org.au/data/uuid/450537e4-c954-41d8-b094-40a13393c59b&rft.title=Secchi Disk Depth (a measure of water clarity), 1992 - 2006 (MTSRF 1.1.5, AIMS, QDPI-F)&rft.identifier=https://eatlas.org.au/data/uuid/450537e4-c954-41d8-b094-40a13393c59b&rft.description=This study characterises spatial patterns in water clarity. Water clarity is a key indicator for water quality and is an essential environmental factor for phototrophic organisms that dominate coral reefs, seagrass meadows and the seafloor microphytobenthos. Secchi disk depthis a commonly used standardised way to quantify water clarity.This data set combines Secchi disk depth data collected as a one-off survey systematically covering the whole Great Barrier Reef by the seagrass monitoring project of the Queensland Department of Primary industry and Fisheries (QDPI-F), and data collected on an opportunistic basis by the Australian Institute of Marine Science (AIMS).As part of the Reef Atlas project (now the eAtlas) the Secchi disk depth observations were interpolated over the whole GBR by Glenn De'ath using Generalized Additive Models with a Quasipoisson fit. This produced a gridded version of the dataset and is available as a KML and an ASCII gridd file.Data Units: Depth in meterReferences:- De'ath G (2007) The Spatial, Temporal and Structural Composition of Water Quality of the Great Barrier Reef, and Indicators of Water Quality and Mapping Risk. Report to the Australian Government’s Marine and Tropical Sciences Research Facility. 59 pp.- De'ath G, Fabricius K.E (2008) Water quality of the Great Barrier Reef: distributions, effects on reef biota and trigger values for the protection of ecosystem health. Final Report to the Great Barrier Reef Marine Park Authority. Australian Institute of Marine Science, Townsville: 104 pp- Coles R et al (submitted)&rft.creator=Schaffelke, Britta, Dr &rft.creator=Coles, Rob, Dr &rft.creator=Furnas, Miles J, Dr &rft.creator=De'ath, Glenn, Dr &rft.date=2015&rft.coverage=-24.521484375,151.083984375 -24.521484375,153.80859375 -20.830078125,153.45703124999997 -17.490234374999986,147.12890625 -13.798828125,145.810546875 -12.83203125,144.4921875 -9.84375,144.228515625 -9.931640625,142.119140625 -11.77734375,142.3828125 -14.765625,143.61328125000003 -14.94140625,144.755859375 -19.599609375,146.337890625 -21.005859375,148.447265625 -24.521484375,151.083984375&rft_rights=The copyright remains with the data owners.&rft_subject=biota&rft_subject=marine&rft.type=dataset&rft.language=English Access the data
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This study characterises spatial patterns in water clarity. Water clarity is a key indicator for water quality and is an essential environmental factor for phototrophic organisms that dominate coral reefs, seagrass meadows and the seafloor microphytobenthos. Secchi disk depthis a commonly used standardised way to quantify water clarity.

This data set combines Secchi disk depth data collected as a one-off survey systematically covering the whole Great Barrier Reef by the seagrass monitoring project of the Queensland Department of Primary industry and Fisheries (QDPI-F), and data collected on an opportunistic basis by the Australian Institute of Marine Science (AIMS).

As part of the Reef Atlas project (now the eAtlas) the Secchi disk depth observations were interpolated over the whole GBR by Glenn De'ath using Generalized Additive Models with a Quasipoisson fit. This produced a gridded version of the dataset and is available as a KML and an ASCII gridd file.

Data Units: Depth in meter


References:
- De'ath G (2007) The Spatial, Temporal and Structural Composition of Water Quality of the Great Barrier Reef, and Indicators of Water Quality and Mapping Risk. Report to the Australian Government’s Marine and Tropical Sciences Research Facility. 59 pp.
- De'ath G, Fabricius K.E (2008) Water quality of the Great Barrier Reef: distributions, effects on reef biota and trigger values for the protection of ecosystem health. Final Report to the Great Barrier Reef Marine Park Authority. Australian Institute of Marine Science, Townsville: 104 pp
- Coles R et al (submitted)

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Subjects
biota | marine |

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Other Information
Water quality of the Great Barrier Reef: spatial and seasonal patterns

url : https://eatlas.org.au/content/water-quality-great-barrier-reef-spatial-and-seasonal-patterns

Water quality guidelines for the Great Barrier Reef

url : https://eatlas.org.au/content/water-quality-guidelines-great-barrier-reef

Legacy eAtlas Web Mapping Service (WMS) (AIMS)

url : https://eatlas.org.au/data/uuid/b0cba902-4e15-4d23-a568-e7cd4b201aac

Interactive map of this dataset

url : https://maps.eatlas.org.au/index.html?intro=false&z=7&ll=147.69238,-17.73859&l0=gs_ea%3ASecchi-Secchi-m,ea_ea-be%3AWorld_Bright-Earth-e-Atlas-basemap

Secchi depth, in meter (ea:Secchi-Secchi-m)

url : https://maps.eatlas.org.au/geoserver/wms

Secchi disk visibility dataset, Great Barrier Reef - Original metadata record from AIMS

url : https://apps.aims.gov.au/metadata/view/d9e213c2-2e3d-426f-8b13-fdf8c33e9ce0

De'ath, G. (2007) The spatial, temporal and structural composition of water quality of the Great Barrier Reef, and indicators of water quality and mapping risk. Unpublished report to the Marine and Tropical Sciences Research Facility. Reef and Rainforest Research Centre Limited, Cairns (71pp.) [PDF 2.63 MB]

url : https://nextcloud.eatlas.org.au/apps/sharealias/a/115-aims-death-2007-wq-on-gbr-pdf

Secchi disk depth - Spatial interpolation, ASCII grid data [Zip 195 kB]

url : https://nextcloud.eatlas.org.au/apps/sharealias/a/secchi-secchi-zip

Secchi disk depth - Spatial interpolation, Google Earth layer [KMZ 103.4 kB]

url : https://nextcloud.eatlas.org.au/apps/sharealias/a/secchi-secchi-2-kmz

Identifiers
  • global : 450537e4-c954-41d8-b094-40a13393c59b