Roger B. Hammer

6.4k total citations · 2 hit papers
50 papers, 4.5k citations indexed

About

Roger B. Hammer is a scholar working on Global and Planetary Change, Health, Toxicology and Mutagenesis and Sociology and Political Science. According to data from OpenAlex, Roger B. Hammer has authored 50 papers receiving a total of 4.5k indexed citations (citations by other indexed papers that have themselves been cited), including 38 papers in Global and Planetary Change, 19 papers in Health, Toxicology and Mutagenesis and 13 papers in Sociology and Political Science. Recurrent topics in Roger B. Hammer's work include Land Use and Ecosystem Services (24 papers), Urban Green Space and Health (19 papers) and Fire effects on ecosystems (16 papers). Roger B. Hammer is often cited by papers focused on Land Use and Ecosystem Services (24 papers), Urban Green Space and Health (19 papers) and Fire effects on ecosystems (16 papers). Roger B. Hammer collaborates with scholars based in United States, Ireland and Austria. Roger B. Hammer's co-authors include Volker C. Radeloff, Susan I. Stewart, Todd J. Hawbaker, Jeremy S. Fried, Murray K. Clayton, Paul R. Voss, Anna M. Pidgeon, Curtis H. Flather, Alexandra D. Syphard and Jon E. Keeley and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Conservation Biology and Journal of Environmental Management.

In The Last Decade

Roger B. Hammer

50 papers receiving 4.3k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

THE WILDLAND–URBAN INTERFACE IN THE UNITED STATES

2005 866 citations Volker C. Radeloff, Roger B. Hammer et al. Ecological Applications profile →
HUMAN INFLUENCE ON CALIFORNIA FIRE REGIMES

2007 511 citations Alexandra D. Syphard, Volker C. Radeloff et al. Ecological Applications profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Roger B. Hammer United States	29	3.4k	1.4k	788	728	676	50	4.5k
Susan I. Stewart United States	37	4.9k 1.4×	1.7k 1.2×	1.1k 1.5×	953 1.3×	861 1.3×	77	6.2k
Van Butsic United States	30	2.6k 0.8×	841 0.6×	419 0.5×	235 0.3×	421 0.6×	103	4.0k
Todd J. Hawbaker United States	40	4.6k 1.3×	2.5k 1.8×	414 0.5×	510 0.7×	955 1.4×	92	5.8k
David P. Helmers United States	19	2.1k 0.6×	1.1k 0.8×	250 0.3×	350 0.5×	381 0.6×	29	3.0k
Jeffrey P. Prestemon United States	33	2.2k 0.7×	581 0.4×	304 0.4×	620 0.9×	554 0.8×	147	3.3k
Sebastián Martinuzzi United States	25	2.6k 0.7×	1.7k 1.2×	249 0.3×	357 0.5×	1.1k 1.6×	68	4.4k
Jeremy S. Fried United States	23	2.1k 0.6×	691 0.5×	289 0.4×	245 0.3×	617 0.9×	71	2.7k
Jennifer K. Balch United States	38	7.1k 2.1×	3.1k 2.2×	569 0.7×	375 0.5×	2.3k 3.5×	92	8.8k
Sarah McCaffrey United States	29	3.0k 0.9×	661 0.5×	1.5k 1.9×	206 0.3×	271 0.4×	89	3.7k
Cara R. Nelson United States	33	2.8k 0.8×	1.9k 1.3×	211 0.3×	234 0.3×	1.6k 2.4×	72	4.8k

Countries citing papers authored by Roger B. Hammer

Since Specialization

Citations

This map shows the geographic impact of Roger B. Hammer's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Roger B. Hammer with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Roger B. Hammer more than expected).

Fields of papers citing papers by Roger B. Hammer

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Roger B. Hammer. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Roger B. Hammer. The network helps show where Roger B. Hammer may publish in the future.

Co-authorship network of co-authors of Roger B. Hammer

This figure shows the co-authorship network connecting the top 25 collaborators of Roger B. Hammer. A scholar is included among the top collaborators of Roger B. Hammer based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Roger B. Hammer. Roger B. Hammer is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Mockrin, Miranda H., et al.. (2018). Sprawling and diverse: The changing U.S. population and implications for public lands in the 21st Century. Journal of Environmental Management. 215. 153–165. 10 indexed citations

Mockrin, Miranda H., Susan I. Stewart, Volker C. Radeloff, Roger B. Hammer, & Patricia M. Alexandre. (2015). Adapting to Wildfire: Rebuilding After Home Loss. Society & Natural Resources. 28(8). 839–856. 37 indexed citations

Alexandre, Patricia M., Miranda H. Mockrin, Susan I. Stewart, Roger B. Hammer, & Volker C. Radeloff. (2014). Rebuilding and new housing development after wildfire. International Journal of Wildland Fire. 24(1). 138–149. 42 indexed citations

Hawbaker, Todd J., Volker C. Radeloff, Susan I. Stewart, et al.. (2013). Human and biophysical influences on fire occurrence in the United States. Ecological Applications. 23(3). 565–582. 108 indexed citations

Bar‐Massada, Avi, Susan I. Stewart, Roger B. Hammer, Miranda H. Mockrin, & Volker C. Radeloff. (2013). Using structure locations as a basis for mapping the wildland urban interface. Journal of Environmental Management. 128. 540–547. 48 indexed citations

Lepczyk, Christopher A., et al.. (2013). Using housing growth to estimate habitat change: detecting Ovenbird response in a rapidly growing New England State. Urban Ecosystems. 16(3). 499–510. 4 indexed citations

Hammer, Roger B., Susan I. Stewart, Todd J. Hawbaker, & Volker C. Radeloff. (2009). Housing growth, forests, and public lands in Northern Wisconsin from 1940 to 2000. Journal of Environmental Management. 90(8). 2690–2698. 14 indexed citations

Stewart, Susan I., Roger B. Hammer, Gregory H. Aplet, et al.. (2009). Wildland-Urban Interface Maps Vary with Purpose and Context. Journal of Forestry. 107(2). 78–83. 41 indexed citations

Syphard, Alexandra D., et al.. (2008). Assessing housing growth when census boundaries change. International Journal of Geographical Information Systems. 23(7). 859–876. 19 indexed citations

10.

Lepczyk, Christopher A., Curtis H. Flather, Volker C. Radeloff, et al.. (2008). Human Impacts on Regional Avian Diversity and Abundance. Conservation Biology. 22(2). 405–416. 142 indexed citations

11.

González-Abraham, Charlotte E., Volker C. Radeloff, Todd J. Hawbaker, et al.. (2007). PATTERNS OF HOUSES AND HABITAT LOSS FROM 1937 TO 1999 IN NORTHERN WISCONSIN, USA. Ecological Applications. 17(7). 2011–2023. 48 indexed citations

12.

Syphard, Alexandra D., Volker C. Radeloff, Jon E. Keeley, et al.. (2007). HUMAN INFLUENCE ON CALIFORNIA FIRE REGIMES. Ecological Applications. 17(5). 1388–1402. 511 indexed citations breakdown →

13.

Stewart, Susan I., Volker C. Radeloff, Roger B. Hammer, & Todd J. Hawbaker. (2007). Defining the Wildland–Urban Interface. Journal of Forestry. 105(4). 201–207. 185 indexed citations

14.

Hammer, Roger B., Volker C. Radeloff, Jeremy S. Fried, & Susan I. Stewart. (2007). Wildland–urban interface housing growth during the 1990s in California, Oregon, and Washington. International Journal of Wildland Fire. 16(3). 255–265. 127 indexed citations

15.

Hawbaker, Todd J., Volker C. Radeloff, Murray K. Clayton, Roger B. Hammer, & Charlotte E. González-Abraham. (2006). Road Development, Housing Growth, And Landscape Fragmentation In Northern Wisconsin: 1937–1999. Ecological Applications. 16(3). 1222–1237. 111 indexed citations

16.

González-Abraham, Charlotte E., Volker C. Radeloff, Roger B. Hammer, et al.. (2006). Building patterns and landscape fragmentation in northern Wisconsin, USA. Landscape Ecology. 22(2). 217–230. 75 indexed citations

17.

Hammer, Roger B., et al.. (2006). The American Community Survey in counties with “seasonal” populations. Population Research and Policy Review. 25(3). 275–292. 11 indexed citations

18.

Radeloff, Volker C., Roger B. Hammer, & Susan I. Stewart. (2005). Rural and Suburban Sprawl in the U.S. Midwest from 1940 to 2000 and Its Relation to Forest Fragmentation. Conservation Biology. 19(3). 793–805. 270 indexed citations

19.

Haight, Robert G., David T. Cleland, Roger B. Hammer, Volker C. Radeloff, & T. Scott Rupp. (2004). Assessing Fire Risk in the Wildland-Urban Interface. Journal of Forestry. 102(7). 41–48. 85 indexed citations

20.

Radeloff, Volker C., et al.. (2001). Human Demographic Trends and Landscape Level Forest Management in the Northwest Wisconsin Pine Barrens. Forest Science. 47(2). 229–241. 93 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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