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Archive for the ‘Data Sources (Free)’ Category

From Keith Lambkin in Met Éireann:

Every leap year for the last 28 years the Joint Working Group on Applied Agricultural Meteorology (AGMET) traditionally holds an event on or near the 29th February. This February we are relaunching our website as our leap year event.

It replaces the old site and can be viewed at www.agmet.ie

Our aim is to bring together relevant Irish agricultural meteorology related material into the one place. This website will hopefully allow for greater more frequent AGMET interactions. It also provides a platform in which the Irish agro-meteorology community can share upcoming events, PhD adverts, research opportunities, available data sources as well as catch up on related news feeds.

This site is designed for use on mobile devices as well as desktop computers for ease of use. Much of the content of this site has been community driven, informed in part from our recent Agricultural Meteorology Seminar, (National Botanic Gardens, June 2015).

While we aim to add to the site over the coming weeks, feedback, comments and news articles are always welcomed. Please contact us if you would like to share or advertise anything.

 

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The EPA has reached and agreement with the OSI to make the 1:50,000 scale digital rivers and lakes data the EPA hold (originally based on OSI source data) available as Open Data with the CC-By license:

 https://twitter.com/EPAIreland/status/703161996284301312/photo/1, citing the data download location as there is some documentation in the .zip file that is useful to explain the source and context of the data.

service of the data available too: http://gis.epa.ie/geoserver/wms?request=GetCapabilities&version=1.3.0

 

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A few days ago I posted about my first experiences with Sentinel-2A data. Since then, I came across a post in the Geoscience and Remote Sensing Facebook group for a video of how to download and process individual Sentinel-2A granules using the free and open-source QGIS.

First and foremost, you’ll need to get two plugins from within QGIS- the OpenLayers plugin, and the Semi-Automatic Classification plugin (SCP), the latter written by Luca Congedo. You’ll then need to restart QGIS to use both plugins. You will also have to be registered with the Sentinels Scientific Data Hub, as you’ll be using your username and password in the SCP plugins.

After that, follow the instructions in the video. Be aware that downloads can take a while.

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Iftikhar Ali PhD student in UCC&Teagasc passed this on:

 

Here is recently available ​free e-​ book on “Land Applications of Radar Remote Sensing”

​; you can download chapter by chapter, click on each chapter and then at the bottom of the page there is link “download as PDF”. ​

http://www.intechopen.com/books/land-applications-of-radar-remote-sensing

Looks like a very useful resource

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Adam O’Connor at Exelis has put together a great ist of free satellite data sources here

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The best, most comprehensive (i.e. lists some Ive never heard of!) list of free remote sensing and GIS I’ve so far come across. Courtesy of the UN space office, no less:

http://www.un-spider.org/links-and-resources/gis-rs-software

 

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An interesting use of remote sensing (in its broadest terms), is the remote detection of lightning. Ground based sensors detect the characteristic radio waves from a lightning strike and can triangulate position with a network of sensors.
There are space based systems looking at the characteristic signature of lightning (there’s one on the TRIMM satellite I think)- but they do have to be looking at the right time.

The ground based sensors can only detect ground strikes (or near ground)- but these are the ones we are interested in!
The EUCLID network monitors Europe and they have great real time map of lightning activity:

http://www.euclid.org/realtime.html

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