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The Aqua satellite platform carries a MODIS sensor that observes sunlight reflected from within the ocean surface layer at multiple wavelengths. These multi-spectral measurements are used to infer the concentration of chlorophyll-a (Chl-a), most typically due to phytoplankton, present in the water.
There are multiple retrieval algorithms for estimating Chl-a. These data use the Carder method implemented in the SeaDAS processing software l2gen and described in Carder K. L., Chen F. R., Lee Z. P., Hawes S. K. and Cannizzaro J. P. (2003), MODIS Ocean Science Team Algorithm Theoretical Basis Document, ATBD 19, Case 2 Chlorophyll a, Version 7, URL: http://modis.gsfc.nasa.gov/data/atbd/atbd_mod19.pdf (accessed 17 March 2022).
Overview
The Aqua satellite platform carries a MODIS sensor that observes sunlight reflected from within the ocean surface layer at multiple wavelengths. These multi-spectral measurements are used to infer the concentration of chlorophyll-a (Chl-a), most typically due to phytoplankton, present in the water.
There are multiple retrieval algorithms for estimating Chl-a. These data use the Carder method implemented in the SeaDAS processing software l2gen and described in Carder K. L., Chen F. R., Lee Z. P., Hawes S. K. and Cannizzaro J. P. (2003), MODIS Ocean Science Team Algorithm Theoretical Basis Document, ATBD 19, Case 2 Chlorophyll a, Version 7, URL: http://modis.gsfc.nasa.gov/data/atbd/atbd_mod19.pdf (accessed 17 March 2022).
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This dataset is part of the Open Data Sponsorship Program, an AWS program that covers the cost of storage for publicly available high-value cloud-optimized datasets.
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- How to use
- To access these resources, reference the Amazon Resource Name (ARN) using the AWS Command Line Interface (CLI). Learn more
- Description
- Cloud Optimised AODN dataset of IMOS - SRS - MODIS - 01 day - Chlorophyll-a concentration (Carder model)
- Resource type
- S3 bucket
- Amazon Resource Name (ARN)
- arn:aws:s3:::aodn-cloud-optimised/satellite_chlorophylla_carder_1day_aqua.zarr
- AWS region
- ap-southeast-2
- AWS CLI access (No AWS account required)
- aws s3 ls --no-sign-request s3://aodn-cloud-optimised/satellite_chlorophylla_carder_1day_aqua.zarr/
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How to cite
Satellite - Ocean Colour - MODIS - 1 day - Chlorophyll-a concentration (Carder model) was accessed on DATE from https://registry.opendata.aws/aodn_satellite_chlorophylla_carder_1day_aqua .
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There are multiple retrieval algorithms for estimating Chl-a. These data use the OC3 method recommended by the NASA Ocean Biology Processing Group and implemented in the SeaDAS processing software l2gen. The OC3 algorithm is described at http://oceancolor.gsfc.nasa.gov/cms/atbd/chlor_a (and links therein).