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Product pages » Nadir BRDF Adjusted Reflectance (NBAR) - Landsat, JRSRP algorithm, Supersites

Nadir BRDF Adjusted Reflectance (NBAR) - Landsat, JRSRP algorithm, Supersites

Last modified by Matt Paget on 2015/02/25 21:32

Nadir BRDF Adjusted Reflectance (NBAR) - Landsat, JRSRP algorithm, Supersites

LC81060692013141LGN01.jpg

Figure 1: Example NBAR Landsat Image

Link to the data

DescriptorData linkLayer name
Persistent URL or DOI

GeoNetwork record

http://tern-auscover.science.uq.edu.au/thredds/catalog/auscover/field_and_airborne_datasets/landsat/catalog.html

Data licence and Access rights

ItemDetail
RightsCopyright: (C) State of Queensland (Department of Science, Information Technology, Innovation and the Arts) 2013
LicenceCreative Commons Attribution 3.0 License, http://creativecommons.org/licenses/by/3.0.
AccessThis data can be freely downloaded and used subject to the CC BY licence. Attribution and citation is required as described at http://www.auscover.org.au/citation. We ask that you send us citations and copies of publications arising from work that use these data.

Abstract or Summary

All available Landsat TM and ETM+ L1T images were acquired from the USGS over the Auscover supersites. Georegistration by USGS. For further information, see the USGS website http://glovis.usgs.gov/, from where this data was downloaded. The data were then processed to terrain corrected surface reflectance using the methods documented in:

Flood, N.; Danaher, T.; Gill, T.; Gillingham, S. An Operational Scheme for Deriving Standardised Surface Reflectance from Landsat TM/ETM+ and SPOT HRG Imagery for Eastern Australia. Remote Sens. 2013, 5, 83-109.

http://dx.doi.org/10.3390/rs5010083

This is a preprocessing scheme for minimising atmospheric, topographic and bi-directional reflectance effects on Landsat-5 TM, Landsat-7 ETM+ and SPOT-5 HRG imagery. The approach involves atmospheric correction to compute surface-leaving radiance, and bi-directional reflectance modelling to remove the effects of topography and angular variation in reflectance. The bi-directional reflectance model has been parameterised for eastern Australia, but the general approach is more widely applicable. The result is surface reflectance standardised to a fixed viewing and illumination geometry. The method can be applied to the entire record for these instruments, without intervention.

Spatial and Temporal extents

ItemDetail
Spatial resolution (metres)(nadir pixel size for a remote sensing product)
Spatial coverage (degrees)(north, south, east, west extents)
Temporal resolution(8 day, monthly, etc)
Temporal coverage(start yyyy-mm-dd, end yyyy-mm-dd or "ongoing")
Sensor & platform(MODIS Terra&Aqua, Landsat 5&7, Field instrument or site)
ItemDetail
Spatial representation typeOne of "grid" or "vector"
Spatial reference systemWGS 84

Point of contact

ItemDetail
NamePeter Scarth
OrganisationJoint Remote Sensing Research Program
PositionPrincipal Scientist
Emailp.scarth@uq.edu.au
Role
Address
Telephone+61439744397
URLhttp://www.gpem.uq.edu.au/jrsrp

Keywords

ThesauriKeyword
GCMDEARTH SCIENCE > BIOSPHERE > VEGETATION > VEGETATION COVER
GCMDSPECTRAL/ENGINEERING > INFRARED WAVELENGTHS > REFLECTED INFRARED
GCMDSPECTRAL/ENGINEERING > INFRARED WAVELENGTHS > REFLECTED VISIBLE
GCMDBIOSPHERE > VEGETATION > VEGETATION INDEX
CFsurface_bidirectional_reflectance
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).

Validation status

Flood, N.; Danaher, T.; Gill, T.; Gillingham, S. An Operational Scheme for Deriving Standardised Surface Reflectance from Landsat TM/ETM+ and SPOT HRG Imagery for Eastern Australia. Remote Sens. 2013, 5, 83-109.

http://dx.doi.org/10.3390/rs5010083

Related products

ItemProduct link
Landsat Fractional CoverLandsat Fractional Cover

References

ItemDetail or link
Publication
Validation report
Online info

Algorithm summary

Flood, N.; Danaher, T.; Gill, T.; Gillingham, S. An Operational Scheme for Deriving Standardised Surface Reflectance from Landsat TM/ETM+ and SPOT HRG Imagery for Eastern Australia. Remote Sens. 2013, 5, 83-109.

http://dx.doi.org/10.3390/rs5010083

Product version history

Version labelDetail
dbgInitial release - Standardized surface reflectance, adjusted to standard sun and view angles for a horizontal surface, i.e. the topography has been “flattened”.

Metadata history

DateDetail
2013-07-19Metadata creation date
Tags:
Created by Peter Scarth on 2013/02/08 12:51

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