Search Results - "Smith, Laurence"

Human alteration of global surface water storage variability by Cooley, Sarah W., Ryan, Jonathan C., Smith, Laurence C.

“…Knowing the extent of human influence on the global hydrological cycle is essential for the sustainability of freshwater resources on Earth 1 , 2 . However, a…”
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New Trans-Arctic shipping routes navigable by midcentury by Smith, Laurence C, Stephenson, Scott R

“…Recent historic observed lows in Arctic sea ice extent, together with climate model projections of additional ice reductions in the future, have fueled…”
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Toward global mapping of river discharge using satellite images and at-many-stations hydraulic geometry by Gleason, Colin J., Smith, Laurence C.

“…Rivers provide critical water supply for many human societies and ecosystems, yet global knowledge of their flow rates is poor. We show that useful estimates…”
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Tracking Dynamic Northern Surface Water Changes with High-Frequency Planet CubeSat Imagery by Cooley, Sarah, Smith, Laurence, Stepan, Leon, Mascaro, Joseph

“…Recent deployments of CubeSat imagers by companies such as Planet may advance hydrological remote sensing by providing an unprecedented combination of high…”
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Fill‐spill‐merge terrain analysis reveals topographical controls on Canadian river runoff by Wagle, Nimisha, Smith, Laurence C.

“…Digital Elevation Models (DEMs) are a crucial tool for watershed analysis, offering valuable insights into landscape‐scale hydrology. Traditional watershed…”
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The greenhouse gas impacts of converting food production in England and Wales to organic methods by Smith, Laurence G., Kirk, Guy J. D., Jones, Philip J., Williams, Adrian G.

“…Agriculture is a major contributor to global greenhouse gas (GHG) emissions and must feature in efforts to reduce emissions. Organic farming might contribute…”
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A Closer Look at the Effects of Lake Area, Aquatic Vegetation, and Double‐Counted Wetlands on Pan‐Arctic Lake Methane Emissions Estimates by Kyzivat, Ethan D., Smith, Laurence C.

“…Lake methane emissions are commonly upscaled from lake area, with recognition that smaller, non‐inventoried lakes emit more per unit area. There is also…”
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Arctic‐Boreal Lake Dynamics Revealed Using CubeSat Imagery by Cooley, Sarah W., Smith, Laurence C., Ryan, Jonathan C., Pitcher, Lincoln H., Pavelsky, Tamlin M.

“…Fine‐scale, subseasonal fluctuations in Arctic‐Boreal surface water reflect regional water balance and modulate trace gas emissions to the atmosphere but have…”
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Supraglacial Streams and Rivers by Pitcher, Lincoln H, Smith, Laurence C

“…Supraglacial meltwater channels that flow on the surfaces of glaciers, ice sheets, and ice shelves connect ice surface climatology with subglacial processes,…”
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Contemporary and historical detection of small lakes using super resolution Landsat imagery: promise and peril by Kyzivat, Ethan D., Smith, Laurence. C

“…Landsat is the longest-running environmental satellite program and has been used for surface water mapping since its launch in 1972. However, its sustained 30…”
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Retrieval of river discharge solely from satellite imagery and at-many-stations hydraulic geometry: Sensitivity to river form and optimization parameters by Gleason, Colin J., Smith, Laurence C., Lee, Jinny

“…Knowledge of river discharge is critically important for water resource management, climate modeling, and improved understanding of the global water cycle, yet…”
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Dark zone of the Greenland Ice Sheet controlled by distributed biologically-active impurities by Ryan, Jonathan C., Hubbard, Alun, Stibal, Marek, Irvine-Fynn, Tristram D., Cook, Joseph, Smith, Laurence C., Cameron, Karen, Box, Jason

“…Albedo—a primary control on surface melt—varies considerably across the Greenland Ice Sheet yet the specific surface types that comprise its dark zone remain…”
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Integrating sustainability assessment tools with life cycle analysis for agroecological systems: A UK case study by Westaway, Sally, Żyłowski, Tomasz, Hardiman, Sam, Smith, Laurence G.

“…Life cycle analysis (LCA) is increasingly used to assess the environmental impacts of primary food production. As an alternative, impacts can be assessed at…”
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Meeting tree planting targets on the UK's path to net-zero: A review of lessons learnt from 100 years of land use policies by Westaway, Sally, Grange, Ian, Smith, Jo, Smith, Laurence G.

“…The UK government has pledged to achieve net-zero greenhouse gas emissions by 2050. Ambitious targets have been set to plant nearly a million hectares of new…”
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Advances in using multitemporal night-time lights satellite imagery to detect, estimate, and monitor socioeconomic dynamics by Bennett, Mia M., Smith, Laurence C.

“…Since the late 1990s, remotely sensed night-time lights (NTL) satellite imagery has been shown to correlate with socioeconomic parameters including…”
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Projected 21st-century changes to Arctic marine access by Stephenson, Scott R., Smith, Laurence C., Brigham, Lawson W., Agnew, John A.

“…Climate models project continued Arctic sea ice reductions with nearly ice-free summer conditions by the mid-21st century. However, how such reductions will…”
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Global Characterization of Inland Water Reservoirs Using ICESat‐2 Altimetry and Climate Reanalysis by Ryan, Jonathan C., Smith, Laurence C., Cooley, Sarah W., Pitcher, Lincoln H., Pavelsky, Tamlin M.

“…Accurate, transparent knowledge of global reservoir levels is a prerequisite for effective management of water resources. However, no complete database exists…”
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Satellite Remote Sensing of the Greenland Ice Sheet Ablation Zone: A Review by Cooper, Matthew, Smith, Laurence

“…The Greenland Ice Sheet is now the largest land ice contributor to global sea level rise, largely driven by increased surface meltwater runoff from the…”
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How Does Wind Influence Near-Nadir and Low-Incidence Ka-Band Radar Backscatter and Coherence from Small Inland Water Bodies? by Fayne, Jessica V., Smith, Laurence C.

“…While many studies have been conducted regarding wind-driven Ka-band scattering on the ocean and sea surfaces, few have identified the impacts of Ka-band…”
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Estimating reach-averaged discharge for the River Severn from measurements of river water surface elevation and slope by Durand, Michael, Neal, Jeffrey, Rodríguez, Ernesto, Andreadis, Konstantinos M., Smith, Laurence C., Yoon, Yeosang

“…•An inverse method is used to estimate river bathymetry and roughness coefficient.•The Bayesian method uses measurements of river height and slope.•Testing was…”
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