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Phytoplankton concentration measurements in Sydney Harbour - 27th October 2004

Created 25/06/2017

Updated 11/08/2023

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A study of the response of phytoplankton to rainfall in Sydney Harbour on 27th October 2004 is reported here.

Sydney Harbour is an important port and recreational region for the city of Sydney. Phytoplankton can be used as one of the indexes of water quality. The concentration of phytoplankton is influenced by the nutrients in the water and the amount of nutrients is thought to alter according to the urban and industrial wastes that drain from the city of Sydney.

The amount of phytoplankton before and after rainfall at Pyrmont in Sydney Harbour was observed. The concentration of chlorophyll after a period of rainfall from the 15th October to the 4th of November 2004, as measured from the surface to 4m deep, was almost 5 times as much as that as before the rain event. The maximum chlorophyll concentration observed by fluorometer was 27 [ug/litre].

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Additional Info

Field Value
Title Phytoplankton concentration measurements in Sydney Harbour - 27th October 2004
Language English
Licence Creative Commons Attribution 2.5 Australia
Landing Page https://data.gov.au/data/en/dataset/a8386dec-ee52-4e63-a32f-6557cfb426eb
Contact Point
Ocean Technology Group (OTG), The University of Sydney (USYD)
ian.jones@sydney.edu.au
Reference Period 25/06/2017
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        151.244,
        -33.87
      ],
      [
        151.259,
        -33.87
      ],
      [
        151.259,
        -33.85
      ],
      [
        151.244,
        -33.85
      ],
      [
        151.244,
        -33.87
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal data.gov.au

Data Source

This dataset was originally found on data.gov.au "Phytoplankton concentration measurements in Sydney Harbour - 27th October 2004". Please visit the source to access the original metadata of the dataset:
https://data.gov.au/data/dataset/phytoplankton-concentration-measurements-in-sydney-harbour-27th-october-2004