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Product pages » Seasonal dynamic reference condition method (DRCM) - Landsat, QLD DSITI algorithm, QLD and NSW Coverage

Seasonal dynamic reference condition method (DRCM) - Landsat, QLD DSITI algorithm, QLD and NSW Coverage

Last modified by Bec Trevithick on 2017/10/10 16:39

Seasonal dynamic reference condition method (DRCM) - Landsat, QLD DSITI algorithm, QLD Coverage

Link to the data

DescriptorData linkLayer name
Persistent URLNot Available Yet 
GeoNetwork recordNot Available Yet

Sub-setting tool (experimental 'clip and ship')Not Available Yet
QLD Tiff mosaics - FTP accesshost: ftp://qld.auscover.org.au/landsat/seasonal_fractional_cover/groundcover_drcm/
username: anonymous 

Geoserver exampleNot Available Yet

Data licence and Access rights

ItemDetail
RightsCopyright 2010-2020. JRSRP. Rights owned by the Joint Remote Sensing Research Project (JRSRP)
LicenceCreative Common Attribution (CC-BY) 4.0
AccessWhile every care is taken to ensure the accuracy of this information, the Joint Remote Sensing Research Project (JRSRP) makes no representations or warranties about its accuracy, reliability, completeness or suitability for any particular purpose and disclaims all responsibility and all liability (including without limitation, liability in negligence) for all expenses, losses, damages (including indirect or consequential damage) and costs which might be incurred as a result of the information being inaccurate or incomplete in any way and for any reason.

Alternate title

Abstract or Summary

The seasonal dynamic reference condition method (DRCM) product is derived directly from the seasonal fractional ground cover cover product, also produced by DSITI's Remote Sensing Centre. The seasonal fractional ground cover product is a spatially explicit raster product, which predicts ground cover at medium resolution (30 m per-pixel) for each calendar season. .

Spatial and Temporal extents

ItemDetail
Spatial resolution (metres)30
Spatial coverage (degrees)north:-6; south:-45; west:108 east:160  
Temporal resolutionSeasonally - At least one image per standard calendar season.
Temporal coverage1990 ongoing
Sensor & platformLandsat 5&7&8
ItemDetail
Spatial representation typegrid
Spatial reference systemAustralian Albers. EPSG:3577

Point of contact

ItemDetail
NameRebecca Trevithick
OrganisationQLD Department of Science, Information Technology and Innovation 
PositionSenior Scientist (Remote Sensing)
Emailrebecca.trevithick@dsiti.qld.gov.au
RolepointOfContact
AddressRemote Sensing Centre, DSITI, EcoSciences Precinct
Telephone+61 7 3170 5679
URLhttp://www.qld.gov.au/dsiti/

Credit

Landsat 5 TM and Landsat 7 ETM+ images were acquired from United States Geologic Survey.

Filenaming convention

Filenames for the seasonal fractional cover deciles product conforms to the AusCover standard naming convention. The standard form of this convention is:

<satellite category code><instrument code><product code>_<where>_<when>_<processing stage code>_<additional dataset specific tags>

Details for the unique codes used for this dataset can be found in the following table.

 Data Naming Element Possible
Code(s)
Descriptor 
Standard Elements  
satellite categorylzLandsat - all possible
instrumenttmthematic
productrereflective
whereqld, nsw, ntstate
when myyyymmyyyymm season start date (1st day of month) and season end date (last day of month) 
processing stagedoddrcm
data projectiona2Australian Albers Equal Area

Keywords

ThesauriKeyword
GCMDEARTH SCIENCE > BIOSPHERE > VEGETATION > VEGETATION COVER
CFvegetation_area_fraction
FoREnvironmental Sciences > Ecological Applications = 0501

There are three main thesauri that AusCover recommends:

  1. Global Change Master Directory (http://gcmd.nasa.gov)
  2. Climate and Forecast (CF) convention standard names (http://cfconventions.org/standard-names.html).
  3. Fields of Research codes (http://www.abs.gov.au/ausstats/abs@.nsf/0/6BB427AB9696C225CA2574180004463E?opendocument).

Data quality

Horizontal Positional Accuracy

All the data described here has been generated from the analysis of Landsat TM, ETM+ and OLI data, which has a spatial resolution of approximately 30 m. The imagery is rectified using control points measured with a differential GPS ensuring a maximum root mean square (RMS) error of 20 m at these control points. However, it is possible that errors up to ±50 m occur between these control points. The imagery has been corrected for height displacement using a 3" digital elevation model (DEM) based on the National Aeronautics and Space Administration (NASA), Shuttle Radar Topography Mission (SRTM). It is not recommended that these data sets be used at scales more detailed than 1:100,000.

Vertical Positional Accuracy

All the data described here has been generated from the analysis of Landsat TM, ETM+ and OLI data, which has a spatial resolution of approximately 30 m.

The imagery is rectified using control points measured with a differential GPS ensuring a maximum root mean square (RMS) error of 20 m at these control points. However, it is possible that errors up to ±50 m occur between these control points. The imagery has been corrected for height displacement using a 3" digital elevation model (DEM) based on the National Aeronautics and Space Administration (NASA), Shuttle Radar Topography Mission (SRTM). It is not recommended that these data sets be used at scales more detailed than 1:100,000.

Validation status

This product is presently a demonstration product only (v.0.0) and has had minimal validation undertaken.

Related products

Landsat Seasonal Ground Cover

References

ItemDetail or link
 Publication
Publication

Flood, N. (2013) Seasonal Composite Landsat TM/ETM+ Images Using the Medoid (a Multi-dimensional Median). Remote Sens. 2013, 5(12), 6481-6500; doi:10.3390/rs5126481

PublicationScarth, P., Röder, A., Schmidt, M., 2010b. Tracking grazing pressure and climate interaction - the role of Landsat fractional cover in time series analysis. In: Proceedings of the 15th Australasian Remote Sensing and Photogrammetry Conference (ARSPC), 13-17 September, Alice Springs, Australia. Alice Springs, NT.

Algorithm summary

Product version history

Version labelDetail
0.0Demonstration release

Metadata history

DateDetail
2017-09-01Metadata creation date
Tags:
Created by Bec Trevithick on 2017/09/18 08:55

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