Josh Gray

4.9k citations

41 papers · 3.6k indexed · 4 hit papers · h-index 22

Impact in

Ecological Modeling top 0.5%
- Species Distribution and Climate Change
Global and Planetary Change top 0.5%
- Plant Water Relations and Carbon Dynamics
- Land Use and Ecosystem Services
- Climate variability and models

Papers in ⓘ

Ecology 32
- Remote Sensing in Agriculture 31
Global and Planetary Change 26
- Land Use and Ecosystem Services 17
- Plant Water Relations and Carbon Dynamics 7

Co-authors: M. A. Friedl (19 shared papers)Andrew D. Richardson (8 shared papers)E. K. Melaas (9 shared papers)Damien Sulla‐Menashe (3 shared papers)S. P. Abercrombie (1 shared paper)Trevor F. Keenan (3 shared papers)John O’Keefe (2 shared papers)Steve Frolking (4 shared papers)
Journals: Remote Sensing of Environment (9 papers)Remote Sensing (4 papers)Agricultural and Forest Meteorology (2 papers)PLoS ONE (2 papers)Photogrammetric Engineering & Remote Sensing (1 paper)
Partner nations: United States Australia Canada

In The Last Decade

Josh Gray

40 papers receiving 3.5k citations

Hit Papers

align trajectories log scale

Continental-scale land surface phenology from harmonized Landsat 8 and Sentinel-2 imagery 2020 · 305 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

2020 Remote Sensing of Environment
2019 Remote Sensing of Environment
2018 Scientific Data
2014 Nature Climate Change

Peers

Countries citing papers authored by Josh Gray

Since Specialization

Citations

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

Fields of papers citing papers by Josh Gray

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Josh Gray. 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 Josh Gray. The network helps show where Josh Gray may publish in the future.

Co-authors

The 25 scholars most cited alongside Josh Gray, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with Josh Gray Line = papers co-authored together Josh Gray links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

Showing the 20 most-cited of 41 papers — load more, or switch the sort, to bring in the rest.

#	Work
1	Net carbon uptake has increased through warming-induced changes in temperate forest phenology Nature Climate Change ·Trevor F. Keenan, Josh Gray, M. A. Friedl, Michael Toomey, Gil Bohrer, David Y. Hollinger, J. William Munger, John O’Keefe, Hans Peter Schmid, Ian Sue Wing, Bai Yang, Andrew D. Richardson Hit paper breakdown →	2014	770
2	Hierarchical mapping of annual global land cover 2001 to present: The MODIS Collection 6 Land Cover product Remote Sensing of Environment ·Damien Sulla‐Menashe, Josh Gray, S. P. Abercrombie, M. A. Friedl Hit paper breakdown →	2019	511
3	Tracking vegetation phenology across diverse North American biomes using PhenoCam imagery Scientific Data ·Andrew D. Richardson, Koen Hufkens, Tom Milliman, Donald M. Aubrecht, Min Chen, Josh Gray, Miriam R. Johnston, Trevor F. Keenan, Stephen Klosterman, Margaret Kosmala, E. K. Melaas, M. A. Friedl, Steve Frolking Hit paper breakdown →	2018	356
4	Continental-scale land surface phenology from harmonized Landsat 8 and Sentinel-2 imagery Remote Sensing of Environment ·Douglas K. Bolton, Josh Gray, E. K. Melaas, Minkyu Moon, Lars Eklundh, M. A. Friedl Hit paper breakdown →	2020	305
5	Evaluating remote sensing of deciduous forest phenology at multiple spatial scales using PhenoCam imagery Biogeosciences ·Stephen Klosterman, Koen Hufkens, Josh Gray, E. K. Melaas, Oliver Sonnentag, I. Lavine, Lloyd C Mitchell, Rachel Norman, M. A. Friedl, Andrew D. Richardson	2014	291
6	Exploration of scaling effects on coarse resolution land surface phenology Remote Sensing of Environment ·Xiaoyang Zhang, Jianmin Wang, Feng Gao, Yan Liu, Crystal Schaaf, M. A. Friedl, Yunyue Yu, J. Senthilnath, Josh Gray, Lingling Liu, Dong Yan, Geoffrey M. Henebry	2017	174
7	Evaluation of land surface phenology from VIIRS data using time series of PhenoCam imagery Agricultural and Forest Meteorology ·Xiaoyang Zhang, J. Senthilnath, Lingling Liu, M. A. Friedl, Geoffrey M. Henebry, Yan Liu, Crystal Schaaf, Andrew D. Richardson, Josh Gray	2018	146
8	Multisite analysis of land surface phenology in North American temperate and boreal deciduous forests from Landsat Remote Sensing of Environment ·E. K. Melaas, Damien Sulla‐Menashe, Josh Gray, T. Andrew Black, Timothy H. Morin, Andrew D. Richardson, M. A. Friedl	2016	127
9	Mapping Crop Cycles in China Using MODIS-EVI Time Series Remote Sensing ·Le Li, M. A. Friedl, Qinchuan Xin, Josh Gray, Yaozhong Pan, Steve Frolking	2014	116
10	Direct human influence on atmospheric CO2 seasonality from increased cropland productivity Nature ·Josh Gray, Steve Frolking, E. A. Kort, D. K. Ray, Christopher J. Kucharik, Navin Ramankutty, M. A. Friedl	2014	105
11	A tale of two springs: using recent climate anomalies to characterize the sensitivity of temperate forest phenology to climate change Environmental Research Letters ·M. A. Friedl, Josh Gray, E. K. Melaas, Andrew D. Richardson, Koen Hufkens, Trevor F. Keenan, Amey S. Bailey, John O’Keefe	2014	84
12	Mapping leaf area index using spatial, spectral, and temporal information from multiple sensors Remote Sensing of Environment ·Josh Gray, Conghe Song	2012	76
13	Long-term continuity in land surface phenology measurements: A comparative assessment of the MODIS land cover dynamics and VIIRS land surface phenology products Remote Sensing of Environment ·Minkyu Moon, Xiaoyang Zhang, Geoffrey M. Henebry, Lingling Liu, Josh Gray, E. K. Melaas, M. A. Friedl	2019	74
14	A new seasonal‐deciduous spring phenology submodel in the Community Land Model 4.5: impacts on carbon and water cycling under future climate scenarios Global Change Biology ·Min Chen, E. K. Melaas, Josh Gray, M. A. Friedl, Andrew D. Richardson	2016	67
15	Mapping Asian Cropping Intensity With MODIS IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing ·Josh Gray, M. A. Friedl, Steve Frolking, Navin Ramankutty, Andrew Nelson, Murali Krishna Gumma	2014	65
16	Consistent classification of image time series with automatic adaptive signature generalization Remote Sensing of Environment ·Josh Gray, Conghe Song	2013	54
17	Comparing Quantity, Allocation and Configuration Accuracy of Multiple Land Change Models Land ·Brian Pickard, Josh Gray, Ross K. Meentemeyer	2017	38
18	An Empirical Assessment of the MODIS Land Cover Dynamics and TIMESAT Land Surface Phenology Algorithms Remote Sensing ·Radost Stanimirova, Zhanzhang Cai, E. K. Melaas, Josh Gray, Lars Eklundh, Per Jönsson, M. A. Friedl	2019	37
19	Long-term, medium spatial resolution annual land surface phenology with a Bayesian hierarchical model Remote Sensing of Environment ·Xiaojie Gao, Josh Gray, Brian J. Reich	2021	31
20	Sentinel-2 Leaf Area Index Estimation for Pine Plantations in the Southeastern United States Remote Sensing ·Chris W. Cohrs, Rachel L. Cook, Josh Gray, Timothy J. Albaugh	2020	25

About Josh Gray

Josh Gray is a scholar working on Ecology, Global and Planetary Change, Environmental Engineering, Ecological Modeling and Atmospheric Science, having authored 41 papers that have together received 3.6k indexed citations. Recurring topics across this work include Remote Sensing in Agriculture (31 papers), Land Use and Ecosystem Services (17 papers), Species Distribution and Climate Change (12 papers), Plant Water Relations and Carbon Dynamics (7 papers), Urban Heat Island Mitigation (6 papers), Remote Sensing and LiDAR Applications (6 papers), Remote Sensing and Land Use (4 papers) and Remote-Sensing Image Classification (3 papers). The work is most often cited by research in Ecological Modeling (977 citations), Global and Planetary Change (2.4k citations), Ecology (2.5k citations), Environmental Engineering (1.1k citations) and Atmospheric Science (695 citations). Josh Gray has collaborated with scholars based in United States, Australia and Canada. Frequent co-authors include M. A. Friedl, Andrew D. Richardson, E. K. Melaas, Damien Sulla‐Menashe, S. P. Abercrombie, Trevor F. Keenan, John O’Keefe, Steve Frolking, Minkyu Moon and Koen Hufkens. Their work appears in journals such as Remote Sensing of Environment, Remote Sensing, Agricultural and Forest Meteorology, PLoS ONE and Photogrammetric Engineering & Remote Sensing.

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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