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W. Walker · SciRah

Researcher profile · Semantic Scholar

W. Walker

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W. Walker — researcher profile on SciRah

h-index: 35
Works: 78
Citations: 8,750

Most-cited papers

Estimated carbon dioxide emissions from tropical deforestation improved by carbon-density maps
A. Baccini, S. Goetz, W. Walker, N. Laporte +8 more
20121,798 citations
Semantic Scholar
Tropical forests are a net carbon source based on aboveground measurements of gain and loss
A. Baccini, W. Walker, L. Carvalho, M. Farina +2 more
2017Science782 citations
Semantic Scholar
Mapping carbon accumulation potential from global natural forest regrowth
S. Cook-Patton, Sara M. Leavitt, D. Gibbs, N. Harris +27 more
2020Nature553 citations
Semantic Scholar
The drivers and impacts of Amazon forest degradation
D. Lapola, P. Pinho, J. Barlow, L. Aragão +31 more
2023Science551 citations Open access
Semantic Scholar
Carbon Balance and Management
S. Goetz, A. Baccini, N. Laporte, T. Johns +4 more
2009456 citations
Semantic Scholar
Mapping forest structure for wildlife habitat analysis using multi-sensor (LiDAR, SAR/InSAR, ETM+, Quickbird) synergy
P. Hyde, R. Dubayah, W. Walker, J. B. Blair +2 more
2006439 citations
Semantic Scholar
Vegetation height estimation from Shuttle Radar Topography Mission and National Elevation Datasets
J. Kellndorfer, W. Walker, L. Pierce, C. Dobson +4 more
2004359 citations
Semantic Scholar
National mitigation potential from natural climate solutions in the tropics
B. Griscom, J. Busch, S. Cook-Patton, P. Ellis +18 more
2020Philosophical Transactions of the Royal Society of London. Biological Sciences264 citations Open access
Semantic Scholar
Mapping forest structure for wildlife habitat analysis using waveform lidar: Validation of montane ecosystems
P. Hyde, R. Dubayah, B. Peterson, J. Blair +4 more
2005263 citations
Semantic Scholar
The role of forest conversion, degradation, and disturbance in the carbon dynamics of Amazon indigenous territories and protected areas
W. Walker, Seth R. Gorelik, A. Baccini, Jose Aragon-Osejo +15 more
2020Proceedings of the National Academy of Sciences of the United States of America256 citations Open access
Semantic Scholar
The Unseen Effects of Deforestation: Biophysical Effects on Climate
D. Lawrence, M. Coe, W. Walker, L. Verchot +1 more
2022Frontiers in Forests and Global Change230 citations Open access
Semantic Scholar
The global potential for increased storage of carbon on land
W. Walker, Seth R. Gorelik, S. Cook-Patton, A. Baccini +8 more
2022Proceedings of the National Academy of Sciences of the United States of America215 citations Open access
Semantic Scholar
Mangrove Range Expansion Rapidly Increases Coastal Wetland Carbon Storage
Cheryl L. Doughty, J. A. Langley, W. Walker, I. C. Feller +2 more
2016Estuaries and Coasts207 citations
Semantic Scholar
The potential ecological costs and cobenefits of REDD: a critical review and case study from the Amazon region
C. Stickler, D. Nepstad, M. Coe, D. Mcgrath +4 more
2009206 citations Open access
Semantic Scholar
Measurement and monitoring needs, capabilities and potential for addressing reduced emissions from deforestation and forest degradation under REDD+
S. Goetz, M. Hansen, R. Houghton, W. Walker +2 more
2015171 citations Open access
Semantic Scholar
Can carbon emissions from tropical deforestation drop by 50% in 5 years?
D. Zarin, N. Harris, A. Baccini, D. Aksenov +14 more
2016Global Change Biology163 citations Open access
Semantic Scholar
Land-use-driven stream warming in southeastern Amazonia
M. Macedo, M. Coe, R. DeFries, M. Uriarte +3 more
2013Philosophical Transactions of the Royal Society B: Biological Sciences143 citations Open access
Semantic Scholar
Large-Area Classification and Mapping of Forest and Land Cover in the Brazilian Amazon: A Comparative Analysis of ALOS/PALSAR and Landsat Data Sources
W. Walker, C. Stickler, J. Kellndorfer, K. Kirsch +1 more
2010IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing143 citations
Semantic Scholar
A National, Detailed Map of Forest Aboveground Carbon Stocks in Mexico
O. Cartus, J. Kellndorfer, W. Walker, Carol Franco +3 more
2014Remote Sensing125 citations Open access
Semantic Scholar
Land cover dynamics following a deforestation ban in northern Costa Rica
Matthew E. Fagan, R. DeFries, Steven E. Sesnie, J. P. Arroyo +4 more
2013109 citations Open access
Semantic Scholar
Quality assessment of SRTM C- and X-band interferometric data: Implications for the retrieval of vegetation canopy height
W. Walker, J. Kellndorfer, L. Pierce
2007100 citations
Semantic Scholar
Statistical fusion of lidar, InSAR, and optical remote sensing data for forest stand height characterization: A regional‐scale method based on LVIS, SRTM, Landsat ETM+, and ancillary data sets
J. Kellndorfer, W. Walker, E. Lapoint, K. Kirsch +2 more
201094 citations Open access
Semantic Scholar
NACP Aboveground Biomass and Carbon Baseline Data, V.2 (NBCD 2000), U.S.A., 2000
J. Kellndorfer, W. Walker, K. Kirsch, G. Fiske +4 more
201391 citations
Semantic Scholar
Large climate mitigation potential from adding trees to agricultural lands
Melissa S. Chapman, W. Walker, S. Cook-Patton, P. Ellis +3 more
2020Global Change Biology87 citations
Semantic Scholar
An empirical InSAR-optical fusion approach to mapping vegetation canopy height
W. Walker, J. Kellndorfer, E. Lapoint, M. Hoppus +1 more
200785 citations
Semantic Scholar
Forest carbon in Amazonia: the unrecognized contribution of indigenous territories and protected natural areas
W. Walker, A. Baccini, S. Schwartzman, Sandra Rios +9 more
201483 citations Open access
Semantic Scholar
Mapping Canopy Height and Growing Stock Volume Using Airborne Lidar, ALOS PALSAR and Landsat ETM+
O. Cartus, J. Kellndorfer, M. Rombach, W. Walker
2012Remote Sensing73 citations Open access
Semantic Scholar
Ecological species groups of landform-level ecosystems dominated by jack pine in northern Lower Michigan, USA
D. Kashian, B. V. Barnes, W. Walker
2003Plant Ecology71 citations Open access
Semantic Scholar
Mapping selective logging impacts in Borneo with GPS and airborne lidar
P. Ellis, B. Griscom, W. Walker, F. Gonçalves +1 more
201659 citations Open access
Semantic Scholar
Continuous mapping of aboveground biomass using Landsat time series
P. Arévalo, A. Baccini, C. Woodcock, P. Olofsson +1 more
2023Remote Sensing of Environment52 citations Open access
Semantic Scholar
Beyond Deforestation: Carbon Emissions From Land Grabbing and Forest Degradation in the Brazilian Amazon
Sanne Kruid, M. Macedo, Seth R. Gorelik, W. Walker +6 more
2021Frontiers in Forests and Global Change46 citations Open access
Semantic Scholar
Landscape Ecosystems of Northern Lower Michigan and the Occurrence and Management of the Kirtland's Warbler
D. Kashian, B. V. Barnes, W. Walker
2003Forestry sciences40 citations Open access
Semantic Scholar
Estimating Aboveground Biomass in Tropical Forests: Field Methods and Error Analysis for the Calibration of Remote Sensing Observations
F. Gonçalves, R. Treuhaft, B. Law, A. Almeida +4 more
2017Remote Sensing38 citations Open access
Semantic Scholar
Assessing carbon stocks and accumulation potential of mature forests and larger trees in U.S. federal lands
R. Birdsey, D. Dellasala, W. Walker, Seth R. Gorelik +2 more
2023Frontiers in Forests and Global Change36 citations Open access
Semantic Scholar
Estimation and Sensitivity of Carbon Storage in Permafrost of North‐Eastern Yakutia
D. Shmelev, A. Veremeeva, G. Kraev, A. Kholodov +3 more
201736 citations
Semantic Scholar
Landscape Ecosystems of the Mack Lake Burn, Northern Lower Michigan, and the Occurrence of the Kirtland's Warbler
W. Walker, B. V. Barnes, D. Kashian
2003Forestry sciences32 citations Open access
Semantic Scholar
The role of science in Reducing Emissions from Deforestation and Forest Degradation (REDD)
R. Houghton, Nora Greenglass, A. Baccini, A. Cattaneo +4 more
201031 citations Open access
Semantic Scholar
Millimeter-wave measurements of foliage attenuation and ground reflectivity of tree stands at nadir incidence
A. Nashashibi, K. Sarabandi, S. Oveisgharan, M. Dobson +2 more
2004IEEE Transactions on Antennas and Propagation30 citations Open access
Semantic Scholar
Potential shifts in the aboveground biomass and physiognomy of a seasonally dry tropical forest in a changing climate
A. D. de Almeida Castanho, M. Coe, P. Brando, M. Macedo +3 more
2020Environmental Research Letters28 citations Open access
Semantic Scholar
Response to Comment on “Tropical forests are a net carbon source based on aboveground measurements of gain and loss”
A. Baccini, W. Walker, L. Carvalho, M. Farina +1 more
2019Science26 citations
Semantic Scholar
Where is the residual terrestrial carbon sink?
R. Houghton, A. Baccini, W. Walker
2018Global Change Biology22 citations Open access
Semantic Scholar
Are indigenous territories effective natural climate solutions? A neotropical analysis using matching methods and geographic discontinuity designs
C. Alejo, Chris Meyer, W. Walker, Seth R. Gorelik +7 more
2020bioRxiv21 citations Open access
Semantic Scholar
A close look at above ground biomass of a large and heterogeneous Seasonally Dry Tropical Forest - Caatinga in North East of Brazil.
A. D. de Almeida Castanho, M. Coe, E. M. Andrade, W. Walker +3 more
2020Anais da Academia Brasileira de Ciências20 citations Open access
Semantic Scholar
Evaluation of the Horizontal Resolution of SRTM Elevation Data
L. Pierce, Josef Kellndorf, W. Walker, O. Barros
200620 citations Open access
Semantic Scholar
Measurement and Monitoring for REDD+: The Needs, Current Technological Capabilities and Future Potential - Working Paper 392
S. Goetz, M. Hansen, R. Houghton, W. Walker +2 more
201416 citations Open access
Semantic Scholar
Large Scale Mapping of Forests and Land Cover with Synthetic Aperture Radar Data
J. Kellndorfer, O. Cartus, J. Bishop, W. Walker +1 more
201415 citations Open access
Semantic Scholar
Modeling Height, Biomass, and Carbon in U.S. Forests from FIA, SRTM, and Ancillary National Scale Data Sets
J. Kellndorfer, W. Walker, Elizabeth Lapoint, M. Hoppus +1 more
20062006 IEEE International Symposium on Geoscience and Remote Sensing15 citations
Semantic Scholar
The Tongass National Forest, Southeast Alaska, USA: A Natural Climate Solution of Global Significance
D. Dellasala, Seth R. Gorelik, W. Walker
2022Land12 citations Open access
Semantic Scholar
Fusion of optical and SAR data for forestry applications in the Sierra Nevada of California
L. Pierce, W. Walker, M. Dobson, C. Hunsaker +2 more
2002IEEE International Geoscience and Remote Sensing Symposium11 citations
Semantic Scholar
Ground‐Truth: Can Forest Carbon Protocols Ensure High‐Quality Credits?
R. Sanders‐DeMott, L. Hutyra, M. D. Hurteau, W. Keeton +8 more
2025Earth's Future10 citations Open access
Semantic Scholar

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