Liam Oakwood

Liam Oakwood is a freelance citizen scientist and blogger, specializing in ecology, geography, and food sovereignty. From Liam: I enjoy photography, music, climbing, forest adventures, and growing things. I'm currently on the cusp of major changes after forming an Irish folk band with friends and getting ready to explore a whole world of possibilities. Some of my previous writing can be found at Wilderness Witness.
GIS Learning

First Data Released From ESA Satellite Sentinel 3-A

Liam Oakwood

The European Space Agency and Eumetsat have just released the first data from their new satellite platform, Sentinel 3-A. This groundbreaking new Earth observation platform can monitor a wide range of Earth systems, and will play a vital role in understanding our planet into the future.

GIS Industry

Using GIS in Government Guides

Liam Oakwood

Here are two guides for using GIS in government.

Artistic concept of Landsat 9. Source: NASA.
GIS Data

Landsat 9 Will Launch in 2020

Liam Oakwood

The Landsat series of satellites has been imaging the Earth’s surface for nearly 50 years, providing vital imagery for a range of purposes from the natural sciences to civil administration and conflict monitoring. NASA and the USGS recently announced that the next iteration of the program, Landsat 9, is due to launch in 2020.

Scientists at Plymouth Marine Laboratory (PML) in the UK, funded via the UK National Centre for Earth Observation, working with colleagues from France, have combined ocean-colour satellite data made available through ESA’s Climate Change Initiative with in situ measurements from Argo and new Bio-Argo floats, partially-funded by the UK Natural Environment Research Council, to work out how much energy is transported from the ocean’s surface down to the mesopelagic layer. They estimate that seasonal mixed layer pump moves around 300 million tonnes of carbon each year, which is a vital energy source for organisms living in the deep dark part of the ocean. Source: Plymouth Marine Laboratory
Oceanography

Satellites Delve into the Depths of One of the Earth’s Largest Ecosystems

Liam Oakwood

Satellite imagery is helping marine scientists gain new understanding of ocean ecosystems.

The different sources that contribute to the magnetic field measured by Swarm. The coupling currents or field-aligned currents flow along magnetic field lines between the magnetosphere and ionosphere. Source: ESA/DTU Space
Oceanography

Measuring the Ocean’s Magnetic Field with Satellites

Liam Oakwood

The European Space Agency’s Swarm satellites are investigating the Earth’s magnetic field and the part that shifting ocean tides play.

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