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i.modis: LPDAAC url updates (#149)
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neteler committed Apr 21, 2020
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Expand Up @@ -58,25 +58,25 @@ <h3>MODIS LST - Land Surface Temperature</h3>
and emissivity values in a sequence of swath-based to grid-based global products in Sinusoidal projection.
The MODIS/Terra-Aqua LST/E Daily L3 Global 1 km Grid product (MOD11A1/MYD11A1), is tile-based
and gridded in the Sinusoidal projection, and produced daily at 1 km spatial resolution.
(related <a href="https://lpdaac.usgs.gov/dataset_discovery/modis/modis_products_table/mod11a1_v006">MOD11A1</a> and
<a href="https://lpdaac.usgs.gov/dataset_discovery/modis/modis_products_table/myd11a1_v006">MYD11A1</a>
(related <a href="https://lpdaac.usgs.gov/products/mod11a1v006/">MOD11A1</a> and
<a href="https://lpdaac.usgs.gov/products/myd11a1v006/">MYD11A1</a>
product pages)</li>
<li><b>Land Surface Temperature eight day 1 Km (Terra/Aqua)</b>: data are composed from the daily
1-kilometer LST product (MOD11A1/MYD11A1) and stored on a 1-km Sinusoidal grid as the
average values of clear-sky LSTs during an 8-day period.<br>
MOD11A2/MYD11A2 is comprised of daytime and nighttime LSTs, quality assessment,
observation times, view angles, bits of clear sky days and nights, and
emissivities estimated in Bands 31 and 32 from land cover types
(related <a href="https://lpdaac.usgs.gov/dataset_discovery/modis/modis_products_table/mod11a2_v006">MOD11A2</a> and
<a href="https://lpdaac.usgs.gov/dataset_discovery/modis/modis_products_table/myd11a2_v006">MYD11A2</a>
(related <a href="https://lpdaac.usgs.gov/products/mod11a2v006/">MOD11A2</a> and
<a href="https://lpdaac.usgs.gov/products/myd11a2v006/">MYD11A2</a>
product pages)</li>
<li><b>Land Surface Temperature eight day ~6 Km (Terra/Aqua)</b>: products provide per-pixel
temperature and emissivity values in a sequence of swath-based to grid-based
global products. The MODIS/Terra-Aqua LST/E Daily L3 Global 6 Km Grid
(Short name: MOD11B1/MYD11B1), is tile-based and gridded in the Sinusoidal projection,
and produced daily at 5600m spatial resolution
(related <a href="https://lpdaac.usgs.gov/dataset_discovery/modis/modis_products_table/mod11b1_v006">MOD11B1</a> and
<a href="https://lpdaac.usgs.gov/dataset_discovery/modis/modis_products_table/myd11b1_v006">MYD11B1</a>
(related <a href="https://lpdaac.usgs.gov/products/mod11b1v006/">MOD11B1</a> and
<a href="https://lpdaac.usgs.gov/products/myd11b1v006/">MYD11B1</a>
product pages)</li>
</ul>

Expand All @@ -101,8 +101,8 @@ <h3>MODIS VI - Vegetation Indices</h3>
as a gridded level-3 product in the Sinusoidal projection. Lacking a 250m
blue band, the EVI algorithm uses the 500m blue band to correct for residual
atmospheric effects, with negligible spatial artifacts
(related <a href="https://lpdaac.usgs.gov/dataset_discovery/modis/modis_products_table/mod13q1_v006">MOD13Q1</a> and
<a href="https://lpdaac.usgs.gov/dataset_discovery/modis/modis_products_table/myd13q1_v006">MYD13Q1</a>
(related <a href="https://lpdaac.usgs.gov/products/mod13q1v006/">MOD13Q1</a> and
<a href="https://lpdaac.usgs.gov/products/myd13q1v006/">MYD13Q1</a>
product pages)</li>
<li><b>VI sixteen days 500 m (Terra/Aqua)</b>: Global MOD13A1/MYD13A1 MODIS vegetation indices
are designed to provide consistent spatial and temporal comparisons of vegetation
Expand All @@ -127,8 +127,8 @@ <h3>MODIS VI - Vegetation Indices</h3>
hydrologic processes and global and regional climate. These data also may
be used for characterizing land surface biophysical properties and processes,
including primary production and land cover conversion
(related <a href="https://lpdaac.usgs.gov/dataset_discovery/modis/modis_products_table/mod13a1_v006">MOD13A1</a> and
<a href="https://lpdaac.usgs.gov/dataset_discovery/modis/modis_products_table/myd13a1_v006">MYD13A1</a>
(related <a href="https://lpdaac.usgs.gov/products/mod13a1v006/">MOD13A1</a> and
<a href="https://lpdaac.usgs.gov/products/myd13a1v006/">MYD13A1</a>
product pages)</li>
<li><b>VI sixteen days 1 Km (Terra/Aqua)</b>:
The MOD13A2 product provides a Vegetation Index (VI) value at a per pixel basis. There
Expand All @@ -138,8 +138,8 @@ <h3>MODIS VI - Vegetation Indices</h3>
vegetation layer is the Enhanced Vegetation Index (EVI), which has improved sensitivity over
high biomass regions. The data are provided at 1000 m resolution as a gridded level-3 product
in the Sinusoidal projection
(related <a href="https://lpdaac.usgs.gov/dataset_discovery/modis/modis_products_table/mod13a2_v006">MOD13A2</a> and
<a href="https://lpdaac.usgs.gov/dataset_discovery/modis/modis_products_table/myd13a2_v006">MYD13A2</a>
(related <a href="https://lpdaac.usgs.gov/products/mod13a2v006/">MOD13A2</a> and
<a href="https://lpdaac.usgs.gov/products/myd13a2v006/">MYD13A2</a>
product pages)</li>
<li><b>VI sixteen days Global 0.05Deg CMG (Terra/Aqua)</b>:
The MOD13C1 product provides a Vegetation Index (VI) value at a per pixel basis. There
Expand All @@ -149,8 +149,8 @@ <h3>MODIS VI - Vegetation Indices</h3>
vegetation layer is the Enhanced Vegetation Index (EVI), which has improved sensitivity over
high biomass regions. The Climate Modeling Grid (CMG) consists 3600 rows and 7200 columns
of 5600 m pixels and is provided as a global latitude/longitude grid
(related <a href="https://lpdaac.usgs.gov/dataset_discovery/modis/modis_products_table/mod13c1_v006">MOD13C1</a> and
<a href="https://lpdaac.usgs.gov/dataset_discovery/modis/modis_products_table/myd13c1_v006">MYD13C1</a>
(related <a href="https://lpdaac.usgs.gov/products/mod13q1v006/">MOD13C1</a> and
<a href="https://lpdaac.usgs.gov/products/myd13q1v006/">MYD13C1</a>
product pages)</li>
</ul>

Expand Down Expand Up @@ -204,12 +204,12 @@ <h2>SEE ALSO</h2>
<li> <a href="https://lpdaac.usgs.gov/tools/modis_reprojection_tool">MODIS Reprojection Tool</a></li>
<li> <a href="http://modis-land.gsfc.nasa.gov/">MODIS Land homepage</a></li>
<li> <a href="http://modis-snow-ice.gsfc.nasa.gov/">MODIS Snow homepage</a></li>
<li> <a href="https://lpdaac.usgs.gov/dataset_discovery/modis/modis_products_table">MODIS Land products table</a></li>
<li> <a href="https://lpdaac.usgs.gov/product_search/">MODIS Land products table</a></li>
</ul>

<h2>AUTHOR</h2>

Luca Delucchi, Initial version: Google Summer of Code 2011; subsequently updated
Luca Delucchi, Initial version: Google Summer of Code 2011; subsequently updated by further authors

<h2>SOURCE CODE</h2>
<p>Available at: <a href="https://github.com/OSGeo/grass-addons/tree/master/grass7/imagery/i.modis">i.modis source code</a> (<a href="https://github.com/OSGeo/grass-addons/commits/master/grass7/imagery/i.modis">history</a>)</p>
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