The University of Southampton

Dr Joshua Chadney

Dr Joshua Chadney is a Post-Doctoral Research Fellow in the Space Environment Group at the University of Southampton, where the focus of his work is the Earth’s polar upper atmosphere. He uses a suite of instruments located on the Arctic archipelago of Svalbard to observe emissions from the aurora borealis in order to measure neutral temperatures.

He completed his PhD in the Space and Atmospheric Physics Group at Imperial College London in April 2015 on the topic of modelling exoplanetary atmospheres under irradiation from low-mass stars. His thesis work involved a multi-disciplinary approach, combining atmospheric physics with stellar physics.


Chadney, Joshua M., Whiter, Daniel K. and Lanchester, Betty S. (2017) Effect of water vapour absorption on hydroxyl temperatures measured from Svalbard. Annales Geophysicae, 35, 481-491. (doi:10.5194/angeo-35-481-2017).

Weber, C., Lammer, H., Shaikhislamov, I. F., Chadney, Joshua, Khodachenko, M. L., Griessmeier, J.-M., Rucker, H. O., Vocks, C., Macher, W., Odert, P. and Kislyakova, K. G. (2017) How expanded ionospheres of Hot Jupiters can prevent escape of radio emission generated by the cyclotron maser instability. Monthly Notices of the Royal Astronomical Society, 469 (3), 3505–3517. (doi:10.1093/mnras/stx1099).

Chadney, Joshua, Galand, Marina, Koskinen, Tommi, Miller, Steve, Sanz-Forcada, Jorge, Unruh, Yvonne and Yelle, Roger (2016) EUV-driven ionospheres and electron transport on extrasolar giant planets orbiting active stars. Astronomy & Astrophysics, 587. (doi:10.1051/0004-6361/201527442).

Chadney, Joshua, Galand, Marina, Unruh, Yvonne, Koskinen, Tommi and Sanz-Forcada, Jorge (2015) XUV-driven mass loss from extrasolar giant planets orbiting active stars. Icarus, 250. (doi:10.1016/j.icarus.2014.12.012).

Chadney, Joshua, Koskinen, Tommi, Galand, Marina, Unruh, Yvonne and Sanz-Forcada, Jorge (2017) Effect of stellar flares on the upper atmospheres of HD 189733b and HD 209458b. Astronomy & Astrophysics, 608. (doi:10.1051/0004-6361/201731129).

Chadney, Joshua and Whiter, Daniel (2018) Neutral temperature and atmospheric water vapour retrieval from spectral fitting of auroral and airglow emissions. Geoscientific Instrumentation, Methods and Data Systems, 7 (4), 317-329. (doi:10.5194/gi-7-317-2018).


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