Search Results - "Hawker, Laurence"

Accuracy assessment of the TanDEM-X 90 Digital Elevation Model for selected floodplain sites by Hawker, Laurence, Neal, Jeffrey, Bates, Paul

“…Freely available Global Digital Elevation Models (GDEMs) are essential for many scientific and humanitarian applications. Recently, TanDEM-X 90 has been…”
Get full text

A 30 m global map of elevation with forests and buildings removed by Hawker, Laurence, Uhe, Peter, Paulo, Luntadila, Sosa, Jeison, Savage, James, Sampson, Christopher, Neal, Jeffrey

“…Abstract Elevation data are fundamental to many applications, especially in geosciences. The latest global elevation data contains forest and building…”
Get full text

Perspectives on Digital Elevation Model (DEM) Simulation for Flood Modeling in the Absence of a High-Accuracy Open Access Global DEM by Hawker, Laurence, Bates, Paul, Neal, Jeffrey, Rougier, Jonathan

“…Open-access global Digital Elevation Models (DEM) have been crucial in enabling flood studies in data-sparse areas. Poor resolution (>30 m), significant…”
Get full text

Integrating social vulnerability into high-resolution global flood risk mapping by Fox, Sean, Agyemang, Felix, Hawker, Laurence, Neal, Jeffrey

“…High-resolution global flood risk maps are increasingly used to inform disaster risk planning and response, particularly in lower income countries with limited…”
Get full text

Implications of Simulating Global Digital Elevation Models for Flood Inundation Studies by Hawker, Laurence, Rougier, Jonathan, Neal, Jeffrey, Bates, Paul, Archer, Leanne, Yamazaki, Dai

“…The Shuttle Radar Topography Mission has long been used as a source topographic information for flood hazard models, especially in data‐sparse areas. Error…”
Get full text

Digital Elevation Models: Terminology and Definitions by Guth, Peter L, Niekerk, Adriaan Van, Grohmann, Carlos H, Muller, Jan-Peter, Hawker, Laurence, Florinsky, Igor V, Gesch, Dean, Reuter, Hannes I, Herrera-Cruz, Virginia, Riazanoff, Serge, López-Vázquez, Carlos, Carabajal, Claudia C, Albinet, Clement, Strobl, Peter

“…Digital elevation models (DEMs) provide fundamental depictions of the three-dimensionalshape of the Earth’s surface and are useful to a wide range of…”
Get full text

Population exposure to flooding in Small Island Developing States under climate change by Archer, Leanne, Neal, Jeffrey, Bates, Paul, Lord, Natalie, Hawker, Laurence, Collings, Tom, Quinn, Niall, Sear, David

“…Abstract Estimates of current and future population exposure to both coastal and inland flooding do not exist consistently in all Small Island Developing…”
Get full text

Comparing earth observation and inundation models to map flood hazards by Hawker, Laurence, Neal, Jeffrey, Tellman, Beth, Liang, Jiayong, Schumann, Guy, Doyle, Colin, Sullivan, Jonathan A, Savage, James, Tshimanga, Raphael

“…Global flood models (GFMs) and earth observation (EO) play a crucial role in characterising flooding, especially in data-sparse, under-resourced regions of the…”
Get full text

Ranking of 10 Global One-Arc-Second DEMs Reveals Limitations in Terrain Morphology Representation by Guth, Peter L., Trevisani, Sebastiano, Grohmann, Carlos H., Lindsay, John, Gesch, Dean, Hawker, Laurence, Bielski, Conrad

“…At least 10 global digital elevation models (DEMs) at one-arc-second resolution now cover Earth. Comparing derived grids, like slope or curvature, preserves…”
Get full text

A high-resolution daily global dataset of statistically downscaled CMIP6 models for climate impact analyses by Gebrechorkos, Solomon, Leyland, Julian, Slater, Louise, Wortmann, Michel, Ashworth, Philip J., Bennett, Georgina L., Boothroyd, Richard, Cloke, Hannah, Delorme, Pauline, Griffith, Helen, Hardy, Richard, Hawker, Laurence, McLelland, Stuart, Neal, Jeffrey, Nicholas, Andrew, Tatem, Andrew J., Vahidi, Ellie, Parsons, Daniel R., Darby, Stephen E.

“…A large number of historical simulations and future climate projections are available from Global Climate Models, but these are typically of coarse resolution,…”
Get full text

Increased population exposure to Amphan‐scale cyclones under future climates by Mitchell, Dann, Hawker, Laurence, Savage, James, Bingham, Rory, Lord, Natalie S., Khan, Md Jamal Uddin, Bates, Paul, Durand, Fabien, Hassan, Ahmadul, Huq, Saleemul, Islam, Akm Saiful, Krien, Yann, Neal, Jeffrey, Sampson, Chris, Smith, Andy, Testut, Laurent

“…Southern Asia experiences some of the most damaging climate events in the world, with loss of life from some cyclones in the hundreds of thousands. Despite…”
Get full text

Estimating River Channel Bathymetry in Large Scale Flood Inundation Models by Neal, Jeffrey, Hawker, Laurence, Savage, James, Durand, Michael, Bates, Paul, Sampson, Christopher

“…Flood inundation modeling across large data sparse areas has been increasing in recent years, driven by a desire to provide hazard information for a wider…”
Get full text

Digital Elevation Models for topographic characterisation and flood flow modelling along low-gradient, terminal dryland rivers: A comparison of spaceborne datasets for the Río Colorado, Bolivia by Li, Jiaguang, Zhao, Yang, Bates, Paul, Neal, Jeffrey, Tooth, Stephen, Hawker, Laurence, Maffei, Carmine

“…•Spaceborne DEMs are evaluated for topographic characterisation and flood modelling.•DEMs are obtained for the low-gradient, Río Colorado terminal system,…”
Get full text

Novel Approach for Ranking DEMs: Copernicus DEM Improves One Arc Second Open Global Topography by Bielski, Conrad, Lopez-Vazquez, Carlos, Grohmann, Carlos H., Guth, Peter L., Hawker, Laurence, Gesch, Dean, Trevisani, Sebastiano, Herrera-Cruz, Virginia, Riazanoff, Serge, Corseaux, Axel, Reuter, Hannes I., Strobl, Peter

“…We present a practical approach to intercompare a range of candidate digital elevation models (DEMs) based on predefined criteria and a statistically sound…”
Get full text

Emergency flood bulletins for Cyclones Idai and Kenneth: A critical evaluation of the use of global flood forecasts for international humanitarian preparedness and response by Emerton, Rebecca, Cloke, Hannah, Ficchi, Andrea, Hawker, Laurence, de Wit, Sara, Speight, Linda, Prudhomme, Christel, Rundell, Philip, West, Rosalind, Neal, Jeffrey, Cuna, Joaquim, Harrigan, Shaun, Titley, Helen, Magnusson, Linus, Pappenberger, Florian, Klingaman, Nicholas, Stephens, Elisabeth

“…Humanitarian disasters such as Typhoon Haiyan (SE Asia, 2013) and the Horn of Africa drought (2011–2012) are examples of natural hazards that were predicted,…”
Get full text

Understanding flood seasonality and flood regime shift in the Congo River Basin by Bola, Gode B., Tshimanga, Raphael M., Neal, Jeff, Trigg, Mark A., Hawker, Laurence, Lukanda, Vincent M., Bates, Paul

“…In the sparsely investigated region of the Congo Basin (CB), flood seasonality and flood regime shift are established through relative frequency, cluster…”
Get full text

Regional flood models and Digital Elevation Model (DEM) uncertainty by Hawker, Laurence

“…Flooding is a natural hazard that affects millions of people throughout the world every year. Hydrodynamic models are a key tool in delineating current and…”
Get full text

Assessing LISFLOOD-FP with the next-generation digital elevation model FABDEM using household survey and remote sensing data in the Central Highlands of Vietnam by Hawker, Laurence, Neal, Jeffrey, Savage, James, Kirkpatrick, Thomas, Lord, Rachel, Zylberberg, Yanos, Groeger, Andre, Thuy, Truong Dang, Fox, Sean, Agyemang, Felix, Nam, Pham Khanh

“…Flooding is an endemic global challenge with annual damages totalling billions of dollars. Impacts are felt most acutely in low- and middle-income countries,…”
Get full text

Global-scale evaluation of precipitation datasets for hydrological modelling by Gebrechorkos, Solomon H, Leyland, Julian, Dadson, Simon J, Cohen, Sagy, Slater, Louise, Wortmann, Michel, Ashworth, Philip J, Bennett, Georgina L, Boothroyd, Richard, Cloke, Hannah, Delorme, Pauline, Griffith, Helen, Hardy, Richard, Hawker, Laurence, McLelland, Stuart, Neal, Jeffrey, Nicholas, Andrew, Tatem, Andrew J, Vahidi, Ellie, Liu, Yinxue, Sheffield, Justin, Parsons, Daniel R, Darby, Stephen E

“…Precipitation is the most important driver of the hydrological cycle, but it is challenging to estimate it over large scales from satellites and models. Here,…”
Get full text

Advancing operational flood forecasting, early warning and risk management with new emerging science: Gaps, opportunities and barriers in Kenya by Kiptum, Augustine, Mwangi, Emmah, Otieno, George, Njogu, Andrew, Kilavi, Mary, Mwai, Zacharia, MacLeod, Dave, Neal, Jeff, Hawker, Laurence, O'Shea, Tom, Saado, Halima, Visman, Emma, Majani, Bernard, Todd, Martin C.

“…Abstract Kenya and the wider East African region suffer from significant flood risk, as illustrated by major losses of lives, livelihoods and assets in the…”
Get full text