Radiative processes & effects

Publications
News

Understanding how low energy electrons control the variability of the Earth’s electron radiation belts

1 March, 2019

Determination of the equatorial electron differential flux from observations at low Earth orbit

1 November, 2018

The magnetic local time distribution of energetic electrons in the radiation belt region

1 August, 2017

Occurrence characteristics of relativistic electron microbursts from SAMPEX observations

1 August, 2017

Evidence of sub-MeV EMIC-driven electron precipitation

1 February, 2017

Investigating energetic electron precipitation through combining ground-based and balloon observations

1 January, 2017

What effect do substorms have on the content of the radiation belts?

1 July, 2016

Confirmation of EMIC wave driven relativistic electron precipitation

1 June, 2016

Empirical predictive models of daily relativistic electron flux at geostationary orbit: Multiple regression analysis

1 April, 2016

Nature’s Grand Experiment: Linkage between magnetospheric convection and the radiation belts

1 January, 2016

High-resolution in situ observations of electron precipitation-causing EMIC waves

28 November, 2015

Response: Commentary: Energetic particle forcing of the Northern Hemisphere winter stratosphere: comparison to solar irradiance forcing

2 September, 2015

Van Allen probes, NOAA, GOES, and ground observations of an intense EMIC wave event extending over 12 h in magnetic local time

1 July, 2015

Analysis of the effectiveness of ground-based VLF wave observations for predicting or nowcasting relativistic electron flux at geostationary orbit

1 March, 2015

Validation of the summertime surface energy budget of Larsen C Ice Shelf (Antarctica) as represented in three high-resolution atmospheric models

27 February, 2015

Characteristics of precipitating energetic electron fluxes relative to the plasmapause during geomagnetic storms

1 November, 2014

Missing driver in the Sun–Earth connection from energetic electron precipitation impacts mesospheric ozone

14 October, 2014

Three-dimensional stochastic modeling of radiation belts in adiabatic invariant coordinates

29 September, 2014

Prediction of relativistic electron flux at geostationary orbit following storms: Multiple regression analysis

1 September, 2014

Global morphology and spectral properties of EMIC waves derived from CRRES observations

14 August, 2014

Effect of plasma density on diffusion rates due to wave particle interactions with chorus and plasmaspheric hiss: extreme event analysis

1 August, 2014

A statistical approach to determining energetic outer radiation-belt electron precipitation fluxes

1 May, 2014

Energetic particle forcing of the Northern Hemisphere winter stratosphere: comparison to solar irradiance forcing

24 April, 2014

First optical observations of energetic electron precipitation at 4278 Å caused by a powerful VLF transmitter

16 April, 2014

Determining the spectra of radiation belt electron losses: Fitting DEMETER electron flux observations for typical and storm times

9 December, 2013

Energetic electron precipitation characteristics observed from Antarctica during a flux dropout event

5 November, 2013

The Balloon Array for RBSP Relativistic Electron Losses (BARREL)

1 November, 2013

Electron acceleration at Jupiter: greater input from cyclotron-resonant interaction with whistler-mode chorus waves

2 October, 2013

Traveling ionospheric disturbances in the Weddell Sea Anomaly associated with geomagnetic activity

1 October, 2013

Polar marine biology science in Portugal and Spain: Recent advances and future perspectives

1 October, 2013

A re-examination of latitudinal limits of substorm-produced energetic electron precipitation

1 October, 2013

The plasmasphere during a space weather event: first results from the PLASMON project

26 June, 2013

Forecasting the Earth’s radiation belts and modelling solar energetic particle events: Recent results from SPACECAST

1 April, 2013

Space weather impacts on satellites and forecasting the Earth’s electron radiation belts with SPACECAST

1 April, 2013

Rapid radiation belt losses occurring during high-speed solar wind stream-driven storms: importance of energetic electron precipitation

28 March, 2013

POES satellite observations of EMIC-wave driven relativistic electron precipitation during 1998-2010

1 January, 2013

High ultraviolet radiation environments

1 January, 2012

Effects of energy and pitch angle mixed diffusion on radiation belt electrons

1 January, 2011

Recent developments in the radiation belt environment model

1 January, 2011

First evidence of mesospheric hydroxyl response to electron precipitation from the radiation belts

1 January, 2011

Simulation of the acceleration of relativistic electrons in the inner magnetosphere using RCM-VERB coupled codes

1 January, 2011

Direct observations of nitric oxide produced by energetic electron precipitation into the Antarctic middle atmosphere

1 January, 2011

Modeling the wave power distribution and characterisitics of plamaspheric hiss

1 January, 2011

Use of POES SEM-2 observations to examine radiation belt dynamics and energetic electron precipitation into the atmosphere

1 January, 2010

Contrasting the efficiency of radiation belt losses caused by ducted and nonducted whistler-mode waves from ground-based transmitters

1 January, 2010

Observed 20th century desert dust variability: impact on climate and biogeochemistry

1 January, 2010

Assessing the regional disparities in geoengineering impacts

1 January, 2010

Relativistic microburst storm characteristics: Combined satellite and ground-based observations

1 January, 2010

Radiation belt electron precipitation due to geomagnetic storms: Significance to middle atmosphere ozone chemistry

1 January, 2010

Non-stormtime injection of energetic particles into the slot-region between Earth’s inner and outer electron radiation belts as observed by STSAT-1 and NOAA-POES

1 January, 2010

Ground-based estimates of outer radiation belt energetic electron precipitation fluxes into the atmosphere

1 January, 2010

Responses of plants in polar regions to UVB exposure: a meta-analysis

1 January, 2009

The fate of the Greenland Ice Sheet in a geoengineered, high CO2 world

1 January, 2009

Quantifying the metabolic cost to an Antarctic liverwort of responding to an abrupt increase in UVB radiation exposure

1 January, 2009

Dynamics of the Earth’s particle radiation environment

1 January, 2009

Wave acceleration and loss in the Earth’s radiation belts

1 January, 2008

Magnetospheric physics – Hiss from the chorus

1 January, 2008

UV-tolerance and instantaneous physiological stress responses of two Antarctic amphipod species Gondogeneia antarctica and Djerboa furcipes during exposure to UV radiation

1 January, 2007

Simulation of the climatic effects of natural forcings during the pre-industrial era

1 January, 2007

A microwave radiometer for the remote sensing of nitric oxide and ozone in the middle atmosphere

1 January, 2006

A critical assessment of the analysis and distributions of scytonemin and related UV screening pigments in sediments

1 January, 2004

The UV environment of the Beagle 2 landing site: detailed investigations and detection of atmospheric state

1 January, 2004

Coupling of climate change and biotic UV exposure through changing snow-ice covers in terrestrial habitats

1 January, 2004

A new Snow-SVAT to simulate the accumulation and ablation of seasonal snow cover beneath a forest canopy

1 January, 2004

Atmospheric pressure chemical ionisation liquid chromatography/mass spectrometry of the ultraviolet screening pigment scytonemin: characteristic fragmentations

1 January, 2004

Protective pigmentation in UVB-screened Antarctic lichens studied by Fourier transform Raman spectroscopy: an extremophile bioresponse to radiation stress

1 January, 2004

Stratified response to environmental stress in a polar lichen characterized with FT-Raman microscopic analysis

1 January, 2004

Zones of photosynthetic potential on Mars and the early Earth

1 January, 2004

Measurements of microbial protection from ultraviolet radiation in polar terrestrial microhabitats

1 January, 2003

Significance of lightning-generated whistlers to inner radiation belt electron lifetimes

1 January, 2003

Climatic control of ultraviolet radiation effects on lakes

1 January, 2003

International Photolysis Frequency Measurement and Model Intercomparison (IPMMI): spectral actinic solar flux measurements and modeling

1 January, 2003

Response of rhizosphere microbial communities associated with Antarctic hairgrass (Deschampsia antarctica) to UV radiation

1 January, 2003

Solar UV irradiation conditions on the surface of Mars

1 January, 2003

The influence of UV-B radiation on light-dependent photosynthetic performance in Sanionia uncinata (Hedw.) Loeske in Antarctica

1 January, 2003

The contribution of wave-particle interactions to electron loss and acceleration in the Earth’s radiation belts during geomagnetic storms

1 January, 2002

Environmental UV radiation: biological strategies for protection and avoidance

1 January, 2002

Pigmentation as a survival strategy for ancient and modern photosynthetic microbes under high ultraviolet stress on planetary surfaces

1 January, 2002

Influence of ice and snow covers on the UV exposure of terrestrial microbial communities: dosimetric studies

1 January, 2002

On the plausibility of a UV transparent biochemistry

1 January, 2002

Human exposure to ultraviolet radiation at the Antipodes – a comparison between an Antarctic (67oS) and Arctic (75oN) location

1 January, 2002

Evaluation of DNA dosimetry to assess ozone-mediated variability of biologically harmful radiation in Antarctica

1 January, 2002

Equilibrium temperature of water-ice aerosols in the high-latitude summer mesosphere

1 January, 2002

Response of Antarctic terrestrial microarthropods to long-term climate manipulations

1 January, 2002

The ultraviolet radiation environment of Earth and Mars: past and present

1 January, 2002

Photobiological uncertainties in the Archaean and post-Archaean world

1 January, 2002

(Poly)phenolic compounds in pollen and spores of antarctic plants as indicators of solar UV-B: a new proxy for the reconstruction of past solar UV-B?

1 January, 2001

Big chill: conference highlights

1 January, 2001

Ultraviolet radiation and exobiology

1 January, 2001

The Martian and extraterrestrial uv radiation environment. Part II: Further considerations on materials and design criteria for artificial ecosystems

1 January, 2001

SUSPEN intercomparison of ultraviolet spectroradiometers

1 January, 2001

A photobiological history of Earth

1 January, 2001

Tolerance of Antarctic cyanobacterial mats to enhanced UV radiation

1 January, 2001

Limnology and biology of saline lakes in the Rauer Islands, eastern Antarctica

1 January, 2001

The history of the UV radiation climate of the Earth – theoretical and space-based observations

1 January, 2001

Exposure of Arctic field scientists to ultraviolet radiation evaluated using personal dosimeters

1 January, 2001

Ecosystems, evolution, and ultraviolet radiation

1 January, 2001

From model intercomparison toward benchmark UV spectra for six real atmospheric cases

1 January, 2000

Temporal properties of magnetospheric line radiation

1 January, 2000

Is magnetospheric line radiation man-made?

1 January, 2000

Uncertainties in satellite-derived estimates of surface UV doses

1 January, 2000

A pilot study for predicting ozone amounts for the general public in southern Chile

1 January, 2000

Raman spectroscopy of pigments and oxalates in situ within epilithic lichens: Acarospora from the Antarctic and Mediterranean

1 January, 2000

Slant column measurements of O3 and NO2 during the NDSC intercomparison of zenith-sky UV-visible spectrometers in June 1996

1 January, 1999

Photosynthetic responses of selected Antarctic plants to solar radiation in the southern maritime Antarctic

1 January, 1999

Magnetospheric line radiation observations at Halley, Antarctica

1 January, 1999

Incorporation of spectral and directional radiative transfer in a snow model

1 January, 1999

Predicting total ozone based on GTS data: applications for South American high-latitude populations

1 January, 1998

Potential waves for relativistic electron scattering and stochastic acceleration during magnetic storms

1 January, 1998

Comparative FT-Raman spectroscopy of Xanthoria lichen-substratum systems from temperate and antarctic habitats

1 January, 1998

Spectral UV measurements over Europe within the Second European Stratospheric Arctic and Midlatitude Experiment activities

1 January, 1997

Longwave atmospheric radiation over Antarctica

1 March, 1996

Second European intercomparison of ultraviolet spectroradiometers, Panorama, Greece, 21-31 August 1992

1 January, 1994

Narrow-band structure and amplitude of terrestrial myriametric radiation

1 April, 1990

Path-integrated growth of electrostatic waves: The generation of terrestrial myriametric radiation

1 January, 1989

The polarization of escaping terrestrial continuum radiation

1 November, 1988

Ray tracing of electrostatic waves in a hot plasma and its application to the generation of terrestrial myriametric radiation

1 June, 1988

Ray tracing in a warm magnetoplasma and its application to the linear mode conversion theory for terrestrial myriametric radiation (TMR)

1 January, 1988

Io plasma torus and the source of jovian narrow-band kilometric radiation

1 June, 1987

Solar radiation transmitted to the ground through cloud in relation to surface albedo

1 April, 1987

The magnetopause as a source of nonthermal continuum radiation

1 January, 1987

Source of broadband Jovian kilometric radiation

1 January, 1987

Full wave calculations of radio windows and their relevance to the theory of production of planetary nonthermal continuum radiation

1 January, 1986

Planetary non-thermal continuum and associated radiations

1 January, 1986

Measurements of solar and terrestrial radiation at King Edward Point, South Georgia, 1973-81

1 January, 1985

IMS advances in understanding terrestrial myriametric radiation

1 January, 1984

Power line harmonic radiation in Newfoundland

1 January, 1983

NEWS STORY: Lessons from electrons

14 October, 2014

Study of electrons in space could help weather forecasting Researchers have discovered a formerly undetected impact of space weather on the polar atmosphere, which may explain some previously unexplained variations …