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A. Hubbard on Muck Rack

A. Hubbard

As seen in: Color Research & Application, Nature, El Periódico, Science Magazine, El Periódico de España
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Articles

Mid-Holocene retreat of the Greenland Ice Sheet indicated by subglacial methane release

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By S. Arndt, A. Hubbard, J. G. Murphy, J. Christiansen, M. Stibal, J. E. Hatton, A. Stehrer-Polášková, P. A. Píka, M. H. Garnett, P. Klímová, L. C. P. Wentzel, J. D. Žárský, J. C. Yde, J. R. Hawkings, E. L. Doting, G. Lamarche-Gagnon, J. L. Wadham, S. E. Sapper, C. J. Jørgensen
| Nature Verified
Abstract Methane (CH4) emissions have been detected at glacier margins globally, with subglacial CH4 production identified beneath the Greenland Ice Sheet. Despite its potential role in carbon cycling, an assessment of the sources, production pathways and prevalence of subglacial CH4 export is lacking.
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Millones de grietas están resquebrajando y derritiendo Groenlandia

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By Alun L. Hubbard, A. Hubbard, Lars Ostenfeld, L. Ostenfeld
| El Periódico Verified
Voy caminando a lo largo de la empinada orilla de un agitado torrente de aguas bravas, y aunque el cauce tiene solo el ancho de una carretera, el flujo del río es mayor que el del Támesis de Londres. El rugido ensordecedor y el estruendo del agua que cae en cascada es increíble: un humilde recordatorio del poder de la naturaleza.
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How robust are in-situ observations for validating satellite-derived albedo over the dark zone of the Greenland Ice Sheet?

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By A. Hubbard, J. Cook, J. C. Ryan, T. D. Irvine-Fynn, S. H. Doyle, M. Stibal, J. E. Box
| Color Research & Application Verified
Ground measurements of reflectivity, such as those made by automatic weather stations, are often used to determine the accuracy of satellite measurements. But the footprint of the instruments mounted on automatic weather stations is usually much smaller than the pixel of the satellite image, meaning that comparison between the two is only justified when the surface is relatively uniform.
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