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creation_dt 2018-07-06T10:28:25.146912 creation_time 2018-07-06 10:28:25 format NetCDF id 120ca635-e7cb-4ac5-b5b2-ea3c92642a34 instrument TM label • lat -20.093 to -19.119 lon 120.463 to 121.499 platform LANDSAT_5 product_type surface_reflectance_statistical_summary time 2008-01-01 00:00:00 to 2008-01-01 00:00:00

Locations

No known active locations

Archived 2 years ago:

file:///g/data/fk4/datacube/002/stats/geomedian/annual/ls5_gm/-12_-22/LS5_GM_NBART_-12_-22_20080101.nc

Metadata Document

RAW As Stac

id: 120ca635-e7cb-4ac5-b5b2-ea3c92642a34

product_type: surface_reflectance_statistical_summary

creation_dt: 2018-07-06T10:28:25.146912

platform:

code: LANDSAT_5

instrument:

format:

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to_dt: 2008-01-01T00:00:00

from_dt: 2008-01-01T00:00:00

center_dt: 2008-01-01T00:00:00

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spatial_reference: EPSG:3577

image:

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path:

layer: nir

red:

path:

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blue:

path:

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green:

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lineage:

algorithm:

version: 0.9b1

repo_url: https://github.com/GeoscienceAustralia/datacube-stats.git

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product: ls5_pq_albers

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storage:

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location: /g/data/u46/users/ia1511/Work/data/geomedian/output

computation:

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date_ranges:

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step_size: 1y

start_date: 2008-01-01

stats_duration: 1y

input_region: null

filter_product:

var_attributes:

output_products: [

metadata:

format:

platform:

code: LANDSAT_5

instrument:

statistic: new_geomedian

product_type: surface_reflectance_statistical_summary

output_params:

zlib: True

fletcher32: True

statistic_args:

num_threads: 3

file_path_template: ls5_gm/{x}_{y}/LS5_GM_NBART_{x}_{y}_{epoch_start:%Y%m%d}.nc

]

global_attributes:

title: Surface Reflectance Geometric Median

source: geometric median v2017 of surface reflectance NBAR+T

license: CC BY Attribution 4.0 International License

summary: The surface reflectance geometric median (geomedian) is a pixel composite mosaic of a time series of earth observations. The value of a pixel in a geomedian image is the statistical median of all observations for that pixel from a period of time. For example the 2016 Landsat 8 geomedian image over an area will be the median of Landsat 8 pixels observed for that area in 2016. The geometric median products are available as annual datasets for years since 1987. Each annual composite is created from one calendar year of surface reflectance and for one sensor, i.e. Thematic Mapper (Landsat 5), Enhanced Thematic Mapper (Landsat 7) or Operational Land Imager (Landsat 8). The algorithm considers concurrent spectral measurements as a multi-dimensional set and outputs a multi-dimensional median that maintains the relationships among the measurements. This provides a median of the physical conditions measured by the earth observations used to create it, and provides a good representation of a typical pixel observation devoid of outliers. More information on the algorithm can be found in the article below: - Roberts, D., Mueller, N., & Mcintyre, A. (2017). High-Dimensional Pixel Composites From Earth Observation Time Series. IEEE Transactions on Geoscience and Remote Sensing, 55(11), 6254-6264. https://doi.org/10.1109/tgrs.2017.2723896

keywords: AU/GA,NASA/GSFC/SED/ESD/LANDSAT,REFLECTANCE,ETM+,TM,OLI,EARTH SCIENCE

platform: LANDSAT_5,LANDSAT_7,LANDSAT_8

instrument: TM,ETM+,OLI

references: - Roberts, D., Mueller, N., & Mcintyre, A. (2017). High-Dimensional Pixel Composites From Earth Observation Time Series. IEEE Transactions on Geoscience and Remote Sensing, 55(11), 6254-6264. https://doi.org/10.1109/tgrs.2017.2723896

description: Surface Reflectance Geometric Median 25 metre, 100km tile, Australian Albers Equal Area projection (EPSG:3577)

institution: Commonwealth of Australia (Geoscience Australia)

cdm_data_type: Grid

product_suite: Surface Reflectance Geometric Median 25m

publisher_url: http://www.ga.gov.au

acknowledgment: - Landsat data is provided by the United States Geological Survey (USGS) through direct reception of the data at Geoscience Australias satellite reception facility or download.

publisher_name: Section Leader, Operations Section, NEMO, Geoscience Australia

product_version: 2.0

publisher_email: earth.observation@ga.gov.au

keywords_vocabulary: GCMD

coverage_content_type: modelResult

machine:

uname: Linux r3083 3.10.0-862.3.3.el6.x86_64 #1 SMP Wed Jun 27 18:22:35 AEST 2018 x86_64

hostname: r3083

software_versions:

python:

version: 3.6.5 | packaged by conda-forge | (default, Apr 6 2018, 13:39:56) [GCC 4.8.2 20140120 (Red Hat 4.8.2-15)]

datacube:

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repo_url: https://github.com/opendatacube/datacube-core.git

source_datasets:

statistics:

step: 1y

period: 1y