Andrew J. Hansen

11.7k total citations · 4 hit papers
140 papers, 8.2k citations indexed

About

Andrew J. Hansen is a scholar working on Global and Planetary Change, Ecology and Nature and Landscape Conservation. According to data from OpenAlex, Andrew J. Hansen has authored 140 papers receiving a total of 8.2k indexed citations (citations by other indexed papers that have themselves been cited), including 68 papers in Global and Planetary Change, 58 papers in Ecology and 49 papers in Nature and Landscape Conservation. Recurrent topics in Andrew J. Hansen's work include Ecology and Vegetation Dynamics Studies (41 papers), Fire effects on ecosystems (31 papers) and Species Distribution and Climate Change (30 papers). Andrew J. Hansen is often cited by papers focused on Ecology and Vegetation Dynamics Studies (41 papers), Fire effects on ecosystems (31 papers) and Species Distribution and Climate Change (30 papers). Andrew J. Hansen collaborates with scholars based in United States, Canada and Australia. Andrew J. Hansen's co-authors include Ruth DeFries, Thomas A. Spies, Matthew C. Hansen, Patricia H. Gude, Adrian C. Newton, Ruth DeFries, Janet L. Ohmann, Frederick J. Swanson, Jay J. Rotella and Dean L. Urban and has published in prestigious journals such as Proceedings of the National Academy of Sciences, SHILAP Revista de lepidopterología and PLoS ONE.

In The Last Decade

Andrew J. Hansen

134 papers receiving 7.4k 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.

EFFECTS OF EXURBAN DEVELOPMENT ON BIODIVERSITY: PATTERNS, MECHANISMS, AND RESEARCH NEEDS

2005 574 citations Andrew J. Hansen et al. profile →
INCREASING ISOLATION OF PROTECTED AREAS IN TROPICAL FORESTS OVER THE PAST TWENTY YEARS

2005 570 citations Andrew J. Hansen et al. profile →
Conserving Biodiversity in Managed Forests

1991 567 citations Andrew J. Hansen et al. profile →
Change in Terrestrial Human Footprint Drives Continued Loss of Intact Ecosystems

2020 207 citations Andrew J. Hansen, Patrick Jantz et al. profile →

Peers

Countries citing papers authored by Andrew J. Hansen

Since Specialization

Citations

This map shows the geographic impact of Andrew J. Hansen'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 Andrew J. Hansen with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Andrew J. Hansen more than expected).

Fields of papers citing papers by Andrew J. Hansen

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Andrew J. Hansen. 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 Andrew J. Hansen. The network helps show where Andrew J. Hansen may publish in the future.

Co-authorship network of co-authors of Andrew J. Hansen

This figure shows the co-authorship network connecting the top 25 collaborators of Andrew J. Hansen. A scholar is included among the top collaborators of Andrew J. Hansen 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 Andrew J. Hansen. Andrew J. Hansen is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

#	Work	Indexed citations
1	Validation and Error Minimization of Global Ecosystem Dynamics Investigation (GEDI) Relative Height Metrics in the Amazon 2024 ·Remote Sensing ·(unknown), Andrew J. Hansen, Patrick Jantz, (unknown), David W. Roberts, Dolors Armenteras	4
2	Measuring Understory Fire Effects from Space: Canopy Change in Response to Tropical Understory Fire and What This Means for Applications of GEDI to Tropical Forest Fire 2023 ·Remote Sensing ·(unknown), Andrew J. Hansen, Dolors Armenteras, Patrick Jantz, David W. Roberts	14
3	Climate Change in Wildlands 2016 ·DIAL (Catholic University of Leuven) ·Andrew J. Hansen, William B. Monahan, (unknown), David M. Theobald	11
4	Combining state-and-transition simulations and species distribution models to anticipate the effects of climate change 2015 ·AIMS environmental science ·Brian W. Miller, Leonardo Frid, (unknown), Nathan Piekielek, Andrew J. Hansen, Jeffrey T. Morisette	13
5	Land Use Change Around Nature Reserves: Implications for Sustaining Biodiversity 2004 ·AGU Fall Meeting Abstracts ·Andrew J. Hansen, Ruth DeFries, Lisa M. Curran, (unknown), Robin S. Reid, (unknown)	1
6	Tomographic estimation of the ionosphere using terrestrial GPS sensors 2002 ·PhDT ·Andrew J. Hansen	21
7	Correcting Nesting-Success Estimates for Observer Effects: Maximum-Likelihood Estimates of Daily Survival Rates With Reduced Bias 2000 ·The Auk ·Jay J. Rotella, Mark L. Taper, Andrew J. Hansen	14
8	CORRECTING NESTING-SUCCESS ESTIMATES FOR OBSERVER EFFECTS: MAXIMUM-LIKELIHOOD ESTIMATES OF DAILY SURVIVAL RATES WITH REDUCED BIAS 2000 ·The Auk ·Jay J. Rotella, Mark L. Taper, Andrew J. Hansen	58
9	Ionospheric Correlation Analysis for WAAS: Quiet and Stormy 2000 ·Andrew J. Hansen, Juan Blanch, Todd Walter, Per Enge	22
10	Correlation Structure of Ionospheric Estimation and Correction for WAAS 2000 ·Andrew J. Hansen, (unknown), Todd Walter, Per Enge	16
11	Robust Detection of Ionospheric Irregularities 2000 ·Todd Walter, Andrew J. Hansen, Juan Blanch, Per Enge, (unknown), Xiaoqing Pi, L. Sparks, B. A. Iijima, (unknown), (unknown), (unknown), (unknown), (unknown), (unknown)	19
12	Influence of prescribed fire history on habitat and abundance of passerine birds in northern mixed-grass prairie 1999 ·The Canadian Field-Naturalist ·Elizabeth M. Madden, Andrew J. Hansen, Robert K. Murphy	57
13	Observations of Equatorial Scintillation Using GPS Receivers 1999 ·J. D. Nichols, Andrew J. Hansen, Todd Walter, Per Enge	0
14	GPS Satellite Clock Event on SVN Impact on Augmented Navigation 1998 ·Andrew J. Hansen, Todd Walter, Per Enge, David G. Lawrence	1
15	A Preliminary Study of the Effect of Ionospheric Scintillation on WAAS User Availability in Equatorial Regions 1998 ·Sam Pullen, (unknown), Andrew J. Hansen, Todd Walter, Per Enge, Bradford W. Parkinson	24
16	Real-time Ionospheric Tomography Using Terrestrial GPS Sensors 1998 ·Andrew J. Hansen	9
17	Demonstration of WAAS Aircraft Approach and Landing in Alaska 1998 ·Todd Walter, (unknown), (unknown), (unknown), (unknown), Roger C. Hayward, (unknown), Andrew J. Hansen, (unknown), (unknown), Per Enge, (unknown), B. W. Parkinson	5
18	Ionospheric Correction Using Tomography 1997 ·Andrew J. Hansen, Todd Walter, Per Enge	34
19	Movements of radio-tagged Bald Eagles, Haliaeetus leucocephalus, in and from southeastern Alaska 1997 ·The Canadian Field-Naturalist ·(unknown), (unknown), Andrew J. Hansen	8
20	A Proposed Integrity Equation for WAAS MOPS 1997 ·Todd Walter, Per Enge, Andrew J. Hansen	20

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.

Explore authors with similar magnitude of impact