Imperial College London

Dr Helen Brindley

Faculty of Natural SciencesDepartment of Physics

Reader in Earth Observation
 
 
 
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Contact

 

+44 (0)20 7594 7673h.brindley

 
 
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Location

 

717Huxley BuildingSouth Kensington Campus

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Summary

 

Publications

Publication Type
Year
to

68 results found

Chan NLA, Brindley HE, Ekins-Daukes NJ, 2013, Impact of individual atmospheric parameters on CPV system power, energy yield and cost of energy, Progress in Photovoltaics, Vol: 22, Pages: 1080-1095, ISSN: 1099-159X

The performance of concentrator photovoltaic systems can be characterised by the power output under reference conditions and the output energy yield under realistic solar illumination. For a range of locations, the frequency distribution of individual atmospheric parameters and their quantitative impact on power output of a concentrator photovoltaic system have been evaluated, with aerosols shown to have a substantial impact on performance at many sites. Limited knowledge of atmospheric parameters results in a difference of up to 75% in simulated energy yield over an annual period and up to 75% deviation in the expected levelised cost of energy.

Journal article

Ryder CL, Highwood EJ, Rosenberg PD, Trembath J, Brooke JK, Bart M, Dean A, Crosier J, Dorsey J, Brindley H, Banks J, Marsham JH, McQuaid JB, Sodemann H, Washington Ret al., 2013, Optical properties of Saharan dust aerosol and contribution from the coarse mode as measured during the Fennec 2011 aircraft campaign, ATMOSPHERIC CHEMISTRY AND PHYSICS, Vol: 13, Pages: 303-325, ISSN: 1680-7316

Journal article

Banks JR, Brindley HE, 2013, Evaluation of MSG-SEVIRI mineral dust retrieval products over North Africa and the Middle East, REMOTE SENSING OF ENVIRONMENT, Vol: 128, Pages: 58-73, ISSN: 0034-4257

Journal article

Carboni E, Thomas G, Sayer A, Siddans R, Poulsen C, Grainger R, Ahn C, Antoine D, Bevan S, Braak R, Brindley H, DeSouza-Machado S, Deuze J, Diner D, Ducos F, Grey W, Hsu C, Kalashnikova O, Kahn R, North P, Salustro C, Smith A, Tanre D, Torres O, Veihelmann Bet al., 2012, Intercomparison of desert dust optical depth from satellite measurements, Atmospheric Measurement Techniques, Vol: 5, Pages: 1973-2002

This work provides a comparison of satellite retrievals of Saharan desert dust aerosol optical depth (AOD) during a strong dust event through March 2006. In this event, a large dust plume was transported over desert, vegetated, and ocean surfaces. The aim is to identify the differences between current datasets. The satellite instruments considered are AATSR, AIRS, MERIS, MISR, MODIS, OMI, POLDER, and SEVIRI. An interesting aspect is that the different algorithms make use of different instrument characteristics to obtain retrievals over bright surfaces. These include multi-angle approaches (MISR, AATSR), polarisation measurements (POLDER), single-view approaches using solar wavelengths (OMI, MODIS), and the thermal infrared spectral region (SEVIRI, AIRS). Differences between instruments, together with the comparison of different retrieval algorithms applied to measurements from the same instrument, provide a unique insight into the performance and characteristics of the various techniques employed. As well as the intercomparison between different satellite products, the AODs have also been compared to co-located AERONET data. Despite the fact that the agreement between satellite and AERONET AODs is reasonably good for all of the datasets, there are significant differences between them when compared to each other, especially over land. These differences are partially due to differences in the algorithms, such as assumptions about aerosol model and surface properties. However, in this comparison of spatially and temporally averaged data, it is important to note that differences in sampling, related to the actual footprint of each instrument on the heterogeneous aerosol field, cloud identification and the quality control flags of each dataset can be an important issue.

Journal article

Chan N, Young T, Brindley H, Ekins-Daukes N, Araki K, Kemmoku Y, Yamaguchi M, Chan NLA, Young TB, Brindley HE, Ekins-Daukes NJ, Araki K, Kemmoku Y, Yamaguchi Met al., 2012, Validation of energy prediction method for a concentrator photovoltaic module in Toyohashi Japan, Progress in Photovoltaics, Pages: n/a-n/a

III–V concentrator photovoltaic systems attain high efficiency through the use of series connected multi-junction solar cells. As these solar cells absorb over distinct bands over the solar spectrum, they have a more complex response to real illumination conditions than conventional silicon solar cells. Estimates for annual energy yield made assuming fixed reference spectra can vary by up to 15% depending on the assumptions made. Using a detailed computer simulation, the behaviour of a 20-cell InGaP/In0.01GaAs/Ge multi-junction concentrator system was simulated in 5-min intervals over an entire year, accounting for changes in direct normal irradiance, humidity, temperature and aerosol optical depth. The simulation was compared with concentrator system monitoring data taken over the same period and excellent agreement (within 2%) in the annual energy yield was obtained. Air mass, aerosol optical depth and precipitable water have been identified as atmospheric parameters with the largest impact on system efficiency.

Journal article

Brindley H, Knippertz P, Ryder C, Ashpole Iet al., 2012, A critical evaluation of the ability of the Spinning Enhanced Visible and Infrared Imager (SEVIRI) thermal infrared red-green-blue rendering to identify dust events: Theoretical analysis, JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, Vol: 117, ISSN: 2169-897X

Journal article

Chan NLA, Brindley HE, Ekins-Daukes NJ, 2012, Quantifying the Impact of Individual Atmospheric Parameters on CPV System Power and Energy Yield, 38th IEEE Photovoltaic Specialists Conference (PVSC), Publisher: IEEE, Pages: 922-927

Conference paper

Rosario NE, Yamasoe MA, Brindley H, Eck TF, Schafer Jet al., 2011, Downwelling solar irradiance in the biomass burning region of the southern Amazon: Dependence on aerosol intensive optical properties and role of water vapor, JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, Vol: 116, ISSN: 2169-897X

Journal article

Haywood JM, Johnson BT, Osborne SR, Mulcahy J, Brooks ME, Harrison MAJ, Milton SF, Brindley HEet al., 2011, Observations and modelling of the solar and terrestrial radiative effects of Saharan dust: a radiative closure case-study over oceans during the GERBILS campaign, QUARTERLY JOURNAL OF THE ROYAL METEOROLOGICAL SOCIETY, Vol: 137, Pages: 1211-1226, ISSN: 0035-9009

Journal article

Christopher SA, Gupta P, Johnson B, Ansell C, Brindley H, Haywood Jet al., 2011, Multi-sensor satellite remote sensing of dust aerosols over North Africa during GERBILS, QUARTERLY JOURNAL OF THE ROYAL METEOROLOGICAL SOCIETY, Vol: 137, Pages: 1168-1178, ISSN: 0035-9009

Journal article

Haywood JM, Johnson BT, Osborne SR, Baran AJ, Brooks M, Milton SF, Mulcahy J, Walters D, Allan RP, Klaver A, Formenti P, Brindley HE, Christopher S, Gupta Pet al., 2011, Motivation, rationale and key results from the GERBILS Saharan dust measurement campaign, QUARTERLY JOURNAL OF THE ROYAL METEOROLOGICAL SOCIETY, Vol: 137, Pages: 1106-1116, ISSN: 0035-9009

Journal article

Chan N, Young T, Brindley H, Chaudhuri B, Ekins-Daukes NJet al., 2010, VARIATION IN SPECTRAL IRRADIANCE AND THE CONSEQUENCES FOR MULTI-JUNCTION CONCENTRATOR PHOTOVOLTAIC SYSTEMS, 35th IEEE Photovoltaic Specialists Conference, Publisher: IEEE, ISSN: 0160-8371

Conference paper

Brindley HE, Russell JE, 2009, An assessment of Saharan dust loading and the corresponding cloud-free longwave direct radiative effect from geostationary satellite observations, JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, Vol: 114, ISSN: 2169-897X

Journal article

Clerbaux N, Russell JE, Dewitte S, Bertrand C, Caprion D, De Paepe B, Sotelino LG, Ipe A, Bantges R, Brindley HEet al., 2009, Comparison of GERB instantaneous radiance and flux products with CERES Edition-2 data, REMOTE SENSING OF ENVIRONMENT, Vol: 113, Pages: 102-114, ISSN: 0034-4257

Journal article

Bantges RJ, Russell JE, Harries JE, Brindley HEet al., 2009, A Geostationary Earth Radiation Budget Dataset For Climate Research: First Intercomparison Results Between Data From the GERB-1 &-2 Instruments, International Radiation Symposium (IRC/IAMAS), Publisher: AMER INST PHYSICS, Pages: 513-516, ISSN: 0094-243X

Conference paper

Brindley HE, Russell JE, 2009, The Direct Cloud-free Longwave Radiative Effect of Saharan Dust as observed by the Geostationary Earth Radiation Budget (GERB) Experiment, International Radiation Symposium (IRC/IAMAS), Publisher: AMER INST PHYSICS, Pages: 521-524, ISSN: 0094-243X

Conference paper

Harries JE, Carli B, Rizzi R, Serio C, Mlynczak M, Palchetti L, Maestri T, Brindley HE, Masiello Get al., 2008, The Far-Infrared Earth, Reviews of Geophysics, Vol: 46, ISSN: 8755-1209

Journal article

Clerbaux N, Dewitte S, Bertrand C, Caprion D, De Paepe B, Gonzalez L, Ipe A, Russell J, Brindley Het al., 2008, Unfiltering of the Geostationary Earth Radiation Budget (GERB) data. Part I: Shortwave radiation, Journal of Atmospheric and Oceanic Technology, Vol: 25, Pages: 1087-1105

Journal article

Brindley HE, Russell JE, 2008, Assessing the errors in shortwave radiative fluxes inferred from the Geostationary Earth Radiation Budget (GERB) instrument in the presence of dust aerosol, JOURNAL OF APPLIED METEOROLOGY AND CLIMATOLOGY, Vol: 47, Pages: 1659-1680, ISSN: 1558-8424

Journal article

Brindley HE, 2007, Estimating the top-of-atmosphere longwave radiative forcing due to Saharan dust from satellite observations over a west African surface site, ATMOSPHERIC SCIENCE LETTERS, Vol: 8, Pages: 74-79, ISSN: 1530-261X

Journal article

Brindley HE, Russell JE, 2006, Improving GERB scene identification using SEVIRI: Infrared dust detection strategy, REMOTE SENSING OF ENVIRONMENT, Vol: 104, Pages: 426-446, ISSN: 0034-4257

Journal article

Brindley HE, Ignatov A, 2006, Retrieval of mineral aerosol optical depth and size information from Meteosat Second Generation SEVIRI solar reflectance bands, REMOTE SENSING OF ENVIRONMENT, Vol: 102, Pages: 344-363, ISSN: 0034-4257

Journal article

Harries JE, Russell JE, Hanafin JA, Brindley H, Futyan J, Rufus J, Kellock S, Matthews G, Wrigley R, Last A, Mueller J, Mossavati R, Ashmall J, Sawyer E, Parker D, Caldwell M, Allan PM, Smith A, Bates MJ, Coan B, Stewart BC, Lepine DR, Cornwall LA, Corney DR, Ricketts MJ, Drummond D, Smart D, Cutler R, Dewitte S, Clerbaux N, Gonzalez L, Ipe A, Bertrand C, Joukoff A, Crommelynck D, Nelms N, Llewellyn-Jones DT, Butcher G, Smith GL, Szewczyk ZP, Mlynczak PE, Slingo A, Allan RP, Ringer MAet al., 2005, The geostationary Earth Radiation Budget Project, BULLETIN OF THE AMERICAN METEOROLOGICAL SOCIETY, Vol: 86, Pages: 945-+, ISSN: 0003-0007

Journal article

Kratz DP, Mlynczak MG, Mertens CJ, Brindley H, Gordley LL, Martin-Torres J, Miskolczi FM, Turner DDet al., 2005, An inter-comparison of far-infrared line-by-line radiative transfer models, JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER, Vol: 90, Pages: 323-341, ISSN: 0022-4073

Journal article

Sandford MCW, Allan PM, Caldwell ME, Delderfield J, Oliver MB, Sawyer E, Harries JE, Ashmall J, Brindley H, Kellock S, Mossavati R, Wrigley R, Llewellyn-Jones D, Blake O, Butcher G, Cole R, Nelms N, DeWitte S, Gloesener P, Fabbrizzi Fet al., 2003, The geostationary Earth radiation budget (GERB) instrument on EUMETSAT's MSG satellite, 51st International Astronautical Congress, Publisher: PERGAMON-ELSEVIER SCIENCE LTD, Pages: 909-915, ISSN: 0094-5765

Conference paper

Brindley HE, Harries JE, 2003, Observations of the infrared outgoing spectrum of the Earth from space: The effects of temporal and spatial sampling, JOURNAL OF CLIMATE, Vol: 16, Pages: 3820-3833, ISSN: 0894-8755

Journal article

Brindley HE, Allan RP, 2003, Simulations of the effects of interannual and decadal variability on the clear-sky outgoing long-wave radiation spectrum, QUARTERLY JOURNAL OF THE ROYAL METEOROLOGICAL SOCIETY, Vol: 129, Pages: 2971-2988, ISSN: 0035-9009

Journal article

Brindley HE, Harries JE, 2003, The impact of instrument field of view on measurements of cloudy-sky spectral radiances from space: application to IRIS and IMG, JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER, Vol: 78, Pages: 341-352, ISSN: 0022-4073

Journal article

Harries JE, Brindley HE, Sagoo PJ, Bantges RJet al., 2001, Increase in greenhouse forcing inferred from the outgoing longwave radiation spectra of the Earth in 1970 and 1997 (vol 410, pg 355, 2001), NATURE, Vol: 410, Pages: 1124-1124, ISSN: 0028-0836

Journal article

Harries JE, Brindley HE, Sagoo PJ, Bantges RJet al., 2001, Increases in greenhouse forcing inferred from the outgoing longwave radiation spectra of the Earth in 1970 and 1997, NATURE, Vol: 410, Pages: 355-357, ISSN: 0028-0836

Journal article

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