LS7_GM_NBART_12_-21_20130101.nc

dataset of product ls7_nbart_geomedian_annual
Indexed by dra547 , created
Archived
for 1st January 2013

Fields 🔗

creation_time 2018-03-09 05:50:11 format NetCDF id 59a12ffa-3c1f-47a5-93c0-b3213b44f46b instrument ETM label • lat -19.119 to -18.137 🔍 lon 143.366 to 144.4 🔍 platform LANDSAT_7 product_type surface_reflectance_statistical_summary time 2013-01-01 00:00:00 to 2013-01-01 00:00:00 🔍

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LS7_GM_NBART_12_-21_20130101.nc
ga_ls_landcover_class_cyear_2_1-0-0_au_2013-01-01

Location 🔗

file:///g/data/fk4/datacube/002/stats/geomedian/annual/ls7_gm/12_-21/LS7_GM_NBART_12_-21_20130101.nc

Metadata Document 🔗

RAW As Stac
id: 59a12ffa-3c1f-47a5-93c0-b3213b44f46b
product_type: surface_reflectance_statistical_summary
creation_dt: 2018-03-09T05:50:11.272877
platform:
code: LANDSAT_7
instrument:
name: ETM
format:
name: NetCDF
extent:
coord:
ll:
lat: -19.11871957958406
lon: 143.4510427122908
lr:
lat: -19.034732305147614
lon: 144.39954277127387
ul:
lat: -18.220354621126226
lon: 143.36636867573827
ur:
lat: -18.136799341756436
lon: 144.3079390530671
to_dt: 2013-01-01T00:00:00
from_dt: 2013-01-01T00:00:00
center_dt: 2013-01-01T00:00:00
grid_spatial:
projection:
valid_data:
type: Polygon
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location: /g/data/u46/users/ia1511/Work/data/geomedian/output
computation:
chunking:
x: 2000
y: 2000
date_ranges:
end_date: 2016-01-01
step_size: 1y
start_date: 2013-01-01
stats_duration: 1y
output_products: [
name: ls7_nbart_geomedian_annual
metadata:
platform: LANDSAT-7
statistic: new_geomedian
product_type: surface_reflectance_statistical_summary
output_params:
zlib: True
fletcher32: True
statistic_args:
num_threads: 3
file_path_template: ls7_gm/ls7_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
publisher_email: earth.observation@ga.gov.au
keywords_vocabulary: GCMD
coverage_content_type: modelResult
machine:
uname: Linux r3556 3.10.0-693.17.1.el6.x86_64 #1 SMP Fri Feb 9 03:25:58 UTC 2018 x86_64
hostname: r3556
software_versions:
python:
version: 3.6.3 | packaged by conda-forge | (default, Nov 4 2017, 10:10:56) [GCC 4.8.2 20140120 (Red Hat 4.8.2-15)]
datacube:
version: 1.5.1+421.g2306bf4
repo_url: https://github.com/opendatacube/datacube-core.git
source_datasets:
statistics:
step: 1y
period: 1y