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Richard Rigby on Muck Rack

Richard Rigby

As seen in: Nature, The Independent (UK), Wiley Online Library, LBC, The Big Issue, East Asia Forum, Australian Outlook
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Articles

Detection of 85 new active subglacial lakes in Antarctica from a decade of CryoSat-2 data - Nature Communications

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By Sally Wilson, Anna Hogg, Richard Rigby, Noel Gourmelen
| Nature Verified
Abstract Subglacial lake activity influences ice sheet flow, grounding line discharge and ice shelf basal melting. Although 146 active subglacial lakes have been detected in Antarctica via ice surface elevation change associated with their activity, only 36 fill-drain cycles have been observed worldwide, and knowledge of these mechanisms is limited.
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Sea level rise from West Antarctic mass loss significantly modified by large snowfall anomalies - Nature Communications

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By Benjamin Davison, Anna Hogg, Richard Rigby, Heather L. Selley, Sanne Veldhuijsen
| Nature Verified
Grounding line discharge and ice velocity We estimate grounding line discharge, D, across each flux gate pixel as $$D={VHw}\rho,$$ (1) Where V is the gate-normal ice velocity, H is the ice-equivalent thickness, w is the pixel width and ρ is ice density (917 kg m−3). We use “flux gate 1” (or FG1) from ref. 65 for our flux gate, which follows areas of direct bed observations and low bed elevation error, rather than the grounding line, and we resample the flux gate pixels to regular 200 m spacing.
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Achieving Brazil’s deforestation target will reduce fire and deliver air quality and public health benefits

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By Edward W. Butt, Luke Conibear, Callum Smith Verified, Richard Rigby
| Wiley Online Library Verified
Abstract Climate, deforestation, and forest fires are closely coupled in the Amazon, but models of fire that include these interactions are lacking. We trained machine learning models on temperature, rainfall, deforestation, land-use, and fire data to show that spatial and temporal patterns of fire in the Amazon are strongly modified by deforestation. We find that fire count across the Brazilian Amazon increases by 0.44 percentage points for each percentage point increase in deforestation rate.
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