Brief description
Fixed cameras installed at the plots (core 1 hectare vegetation plot and Ridgefield) at TERN Boyagin Wandoo Woodland SuperSite provide a time series of fine scale data as a long-term record of vegetation structure and condition. This dense time series of phenocam images provides data for analysis of ecological responses to climate variability, and when consolidated across the entire terrestrial ecosystem research network, supports calibration and validation of satellite-derived remote sensing data, ensuring delivery of higher quality results for broader scale environmental monitoring products.
Images are captured half hourly during daylight hours. Images and data products, including timeseries of the Green Chromatic Coordinate (Gcc) for a region-of-interest (ROI) that delineates an area of specific vegetation type, are made available on an almost real-time basis.
The Boyagin Wandoo Woodland SuperSite was established in 2017 at the Boyagin Nature Reserve with research plots located in Wandoo woodland (Eucalypt sp.). The core 1 ha plot is located in a dense Eucalypt woodland, while Ridgefield subsite is located within an area of dryland agriculture. For additional site information, see https://www.tern.org.au/tern-observatory/tern-ecosystem-processes/boyagin-wandoo-woodland-supersite/ .
Other images collected at the site include digital cover and hemispherical photography (DCP and DHP) and ancillary images of fauna and flora.
Lineage
For generating ROI chromatic indices the python library vegindex (0.7.2) in python is used. For calculating hazeness values the R hazer (1.1.1.) and jpeg (0.1) libraries are used.
Notes
CreditWe at TERN acknowledge the Traditional Owners and Custodians throughout Australia, New Zealand and all nations. We honour their profound connections to land, water, biodiversity and culture and pay our respects to their Elders past, present and emerging.
The Boyagin Wandoo Woodland SuperSite was established in 2017 in partnership with the University of Western Australia. This work was jointly funded by the Terrestrial Ecosystem Research Network (TERN), an Australian Government National Collaborative Research Infrastructure Strategy (NCRIS) project
Time series of vegetation phenological observations are collected to understand ecosystems annual cycles. Phenological timeseries can be used for ground-truthing remote sensing data products, for studies of climate change impacts on terrestrial ecosystems, and as a standard for earth system models.
Data Quality Assessment Scope
local :
dataset
For each image, across a region-of-interest (ROI) delineating a specific vegetation type, we extract RGB (red, green, blue) colour channel information, with chromatic coordinates and means, quantiles and correlation among colour channels being calculated. Hazeness of the image as well as global environmental light are assessed.
Created: 2021-08-04
Issued: 2021-09-30
Modified: 2024-05-04
Data time period: 2021-08-04
text: Located approximately 12 km west of Pingelly, Western Australia.
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Point-of-truth metadata URL
CCFC RGB/IR Phenocamera Set Up
uri :
http://linked.data.gov.au/def/tern-cv/1eca43a4-0fba-4b69-88bd-a0ab76ebe5ca
Karan, M. (2020). SuperSites Vegetation Monitoring Protocols v 1.21. TERN Australian SuperSite Network. Cairns, Australia. doi:10.4227/05/56134C1310F16
- URI : geonetwork.tern.org.au/geonetwork/srv/eng/catalog.search#/metadata/1f8de7e6-bebd-4afc-aa03-8ba0d5536e0e
- global : 1f8de7e6-bebd-4afc-aa03-8ba0d5536e0e
