Search Results - "Forrest R Stevens"

Disaggregating census data for population mapping using random forests with remotely-sensed and ancillary data by Stevens, Forrest R, Gaughan, Andrea E, Linard, Catherine, Tatem, Andrew J

“…High resolution, contemporary data on human population distributions are vital for measuring impacts of population growth, monitoring human-environment…”
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Dynamic population mapping using mobile phone data by Deville, Pierre, Linard, Catherine, Martin, Samuel, Gilbert, Marius, Stevens, Forrest R., Gaughan, Andrea E., Blondel, Vincent D., Tatem, Andrew J.

“…During the past few decades, technologies such as remote sensing, geographical information systems, and global positioning systems have transformed the way the…”
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High resolution population distribution maps for Southeast Asia in 2010 and 2015 by Gaughan, Andrea E, Stevens, Forrest R, Linard, Catherine, Jia, Peng, Tatem, Andrew J

“…Spatially accurate, contemporary data on human population distributions are vitally important to many applied and theoretical researchers. The Southeast Asia…”
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Global spatio-temporally harmonised datasets for producing high-resolution gridded population distribution datasets by Lloyd, Christopher T., Chamberlain, Heather, Kerr, David, Yetman, Greg, Pistolesi, Linda, Stevens, Forrest R., Gaughan, Andrea E., Nieves, Jeremiah J., Hornby, Graeme, MacManus, Kytt, Sinha, Parmanand, Bondarenko, Maksym, Sorichetta, Alessandro, Tatem, Andrew J.

“…Multi-temporal, globally consistent, high-resolution human population datasets provide consistent and comparable population distributions in support of mapping…”
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High-resolution gridded population datasets for Latin America and the Caribbean in 2010, 2015, and 2020 by Sorichetta, Alessandro, Hornby, Graeme M., Stevens, Forrest R., Gaughan, Andrea E., Linard, Catherine, Tatem, Andrew J.

“…The Latin America and the Caribbean region is one of the most urbanized regions in the world, with a total population of around 630 million that is expected to…”
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A simulated ‘sandbox’ for exploring the modifiable areal unit problem in aggregation and disaggregation by Nieves, Jeremiah J., Gaughan, Andrea E., Stevens, Forrest R., Yetman, Greg, Gros, Andreas

“…We present a spatial testbed of simulated boundary data based on a set of very high-resolution census-based areal units surrounding Guadalajara, Mexico. From…”
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GridSample: an R package to generate household survey primary sampling units (PSUs) from gridded population data by Thomson, Dana R, Stevens, Forrest R, Ruktanonchai, Nick W, Tatem, Andrew J, Castro, Marcia C

“…Household survey data are collected by governments, international organizations, and companies to prioritize policies and allocate billions of dollars. Surveys…”
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Finding common ground: agreement on increasing wildfire risk crosses political lines by Hartter, Joel, Hamilton, Lawrence C, Ducey, Mark J, Boag, Angela E, Salerno, Jonathan D, Christoffersen, Nils D, Oester, Paul T, Palace, Michael W, Stevens, Forrest R

“…Wildfire is a growing threat in the western US, driven by high fuel loads, a warming climate, and rising human activity in the wildland urban interface…”
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Gridded Population Maps Informed by Different Built Settlement Products by Reed, Fennis J, Gaughan, Andrea E, Stevens, Forrest R, Yetman, Greg, Sorichetta, Alessandro, Tatem, Andrew J

“…The spatial distribution of humans on the earth is critical knowledge that informs many disciplines and is available in a spatially explicit manner through…”
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Modelling associations between public understanding, engagement and forest conditions in the Inland Northwest, USA by Hartter, Joel, Stevens, Forrest R, Hamilton, Lawrence C, Congalton, Russell G, Ducey, Mark J, Oester, Paul T

“…Opinions about public lands and the actions of private non-industrial forest owners in the western United States play important roles in forested landscape…”
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Measuring the contribution of built-settlement data to global population mapping by Nieves, Jeremiah J., Bondarenko, Maksym, Kerr, David, Ves, Nikolas, Yetman, Greg, Sinha, Parmanand, Clarke, Donna J., Sorichetta, Alessandro, Stevens, Forrest R., Gaughan, Andrea E., Tatem, Andrew J.

“…Top-down population modelling has gained applied prominence in public health, planning, and sustainability applications at the global scale. These top-down…”
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Modelling changing population distributions: an example of the Kenyan Coast, 1979-2009 by Linard, Catherine, Kabaria, Caroline W., Gilbert, Marius, Tatem, Andrew J., Gaughan, Andrea E., Stevens, Forrest R., Sorichetta, Alessandro, Noor, Abdisalan M., Snow, Robert W.

“…Large-scale gridded population datasets are usually produced for the year of input census data using a top-down approach and projected backward and forward in…”
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Wildlife impacts and vulnerable livelihoods in a transfrontier conservation landscape by Salerno, Jonathan, Bailey, Karen, Gaughan, Andrea E., Stevens, Forrest R., Hilton, Tom, Cassidy, Lin, Drake, Michael D., Pricope, Narcisa G., Hartter, Joel

“…Interactions between humans and wildlife resulting in negative impacts are among the most pressing conservation challenges globally. In regions of smallholder…”
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The spatial allocation of population: a review of large-scale gridded population data products and their fitness for use by Leyk, Stefan, Gaughan, Andrea E, Adamo, Susana B, de Sherbinin, Alex, Balk, Deborah, Freire, Sergio, Rose, Amy, Stevens, Forrest R, Blankespoor, Brian, Frye, Charlie, Comenetz, Joshua, Sorichetta, Alessandro, MacManus, Kytt, Pistolesi, Linda, Levy, Marc, Tatem, Andrew J, Pesaresi, Martino

“…Population data represent an essential component in studies focusing on human–nature interrelationships, disaster risk assessment and environmental health…”
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Assessing the spatial sensitivity of a random forest model: Application in gridded population modeling by Sinha, Parmanand, Gaughan, Andrea E., Stevens, Forrest R., Nieves, Jeremiah J., Sorichetta, Alessandro, Tatem, Andrew J.

“…Gridded human population data provide a spatial denominator to identify populations at risk, quantify burdens, and inform our understanding of…”
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Examining the correlates and drivers of human population distributions across low- and middle-income countries by Nieves, Jeremiah J., Stevens, Forrest R., Gaughan, Andrea E., Linard, Catherine, Sorichetta, Alessandro, Hornby, Graeme, Patel, Nirav N., Tatem, Andrew J.

“…Geographical factors have influenced the distributions and densities of global human population distributions for centuries. Climatic regimes have made some…”
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Wildlife impacts and changing climate pose compounding threats to human food security by Salerno, Jonathan, Stevens, Forrest R., Gaughan, Andrea E., Hilton, Tom, Bailey, Karen, Bowles, Timothy, Cassidy, Lin, Mupeta-Muyamwa, Patricia, Biggs, Duan, Pricope, Narcisa, Mosimane, Alfons Wahabe, Henry, Luwaya Maseka, Drake, Michael, Weaver, Ariel, Kosmas, Selma, Woodward, Kyle, Kolarik, Nicholas, Hartter, Joel

“…High-level policy debates surrounding elephant management often dominate global conservation headlines, yet realities for people living with wildlife are not…”
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Improving Large Area Population Mapping Using Geotweet Densities by Patel, Nirav N., Stevens, Forrest R., Huang, Zhuojie, Gaughan, Andrea E., Elyazar, Iqbal, Tatem, Andrew J.

“…Many different methods are used to disaggregate census data and predict population densities to construct finer scale, gridded population data sets. These…”
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Wildfire risk as a socioecological pathology by Fischer, A Paige, Thomas A Spies, Toddi A Steelman, Cassandra Moseley, Bart R Johnson, John D Bailey, Alan A Ager, Patrick Bourgeron, Susan Charnley, Brandon M Collins, Jeffrey D Kline, Jessica E Leahy, Jeremy S Littell, James DA Millington, Max Nielsen‐Pincus, Christine S Olsen, Travis B Paveglio, Christopher I Roos, Michelle M Steen‐Adams, Forrest R Stevens, Jelena Vukomanovic, Eric M White, David MJS Bowman

“…Wildfire risk in temperate forests has become a nearly intractable problem that can be characterized as a socioecological “pathology”: that is, a set of…”
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Spatiotemporal patterns of population in mainland China, 1990 to 2010 by Gaughan, Andrea E., Stevens, Forrest R., Huang, Zhuojie, Nieves, Jeremiah J., Sorichetta, Alessandro, Lai, Shengjie, Ye, Xinyue, Linard, Catherine, Hornby, Graeme M., Hay, Simon I., Yu, Hongjie, Tatem, Andrew J.

“…According to UN forecasts, global population will increase to over 8 billion by 2025, with much of this anticipated population growth expected in urban areas…”
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