Philip A. Townsend

29 papers C 9Journal 20

Year	Rank	Type	Title / Venue / Authors
2024	J	`jnl`	Evaluation of the Reliability of the CCM-300 Chlorophyll Content Meter in Measuring Chlorophyll Content for Various Plant Functional Types. Sensors Joelie M. Van Beek, Ting Zheng, Zhihui Wang, Kyle Kovach, Philip A. Townsend
2024	J	`jnl`	Exploring the potential of multi-source satellite remote sensing in monitoring crop nutrient status: A multi-year case study of cranberries in Wisconsin, USA. Int. J. Appl. Earth Obs. Geoinformation Yurong Huang, Nanfeng Liu, Erin Wagner Hokanson, Nicole Hansen, Philip A. Townsend
2022	J	`jnl`	A Camera-Based Method for Collecting Rapid Vegetation Data to Support Remote-Sensing Studies of Shrubland Biodiversity. Remote. Sens. Erin J. Questad, Marlee Antill, Nanfeng Liu, E. Natasha Stavros, Philip A. Townsend, Susan Bonfield, David Schimel
2022	C	`conf`	Ongoing Progress Toward NASA's Surface Biology and Geology Mission. IGARSS David R. Thompson, Ralph Basilio, Ian Brosnan, Kerry Cawse-Nicholson, K. Dana Chadwick, Liane S. Guild, Michelle M. Gierach, Robert O. Green, Simon J. Hook, Scott D. Horner, Glynn C. Hulley, Raymond F. Kokaly, Charles E. Miller, Kimberley R. Miner, Christine Lee, Daniel Limonadi, Jeffrey Luvall, Ryan Pavlick, Benjamin Phillips, Benjamin Poulter, Ann Raiho, Kevin Reath, Stephanie Schollaert Uz, Amit Sen, Shawn P. Serbin, David Schimel, Philip A. Townsend, Woody Turner, Kevin R. Turpie
2021	J	`jnl`	Airborne hyperspectral imaging of nitrogen deficiency on crop traits and yield of maize by machine learning and radiative transfer modeling. Int. J. Appl. Earth Obs. Geoinformation Sheng Wang, Kaiyu Guan, Zhihui Wang, Elizabeth A. Ainsworth, Ting Zheng, Philip A. Townsend, Nanfeng Liu, Emerson Nafziger, Michael D. Masters, Kaiyuan Li, Genghong Wu, Chongya Jiang
2021	J	`jnl`	Applicability of Smoothing Techniques in Generation of Phenological Metrics of Tectona grandis L. Using NDVI Time Series Data. Remote. Sens. Ramandeep Kaur M. Malhi, G. Sandhya Kiran, Mangala N. Shah, Nirav V. Mistry, Viral H. Bhavsar, Chandra Prakash Singh, Bimal Kumar Bhattarcharya, Philip A. Townsend, Shiv Mohan
2021	J	`jnl`	Astrape: A System for Mapping Severe Abiotic Forest Disturbances Using High Spatial Resolution Satellite Imagery and Unsupervised Classification. Remote. Sens. Sarah A. Wegmueller, Philip A. Townsend
2021	C	`conf`	Automated Uas Measurements of Reflectance and Solar Induced Florescence (SIF) for Assessment Of the Dinamics in Photosynthetic Function, Application for Maze (Zea Mays L.) in Greenbelt, Maryland, Us. IGARSS Petya K. E. Campbell, Philip A. Townsend, Dan Mandl, James MacKinnon
2021	J	`jnl`	LOESS radiometric correction for contiguous scenes (LORACCS): Improving the consistency of radiometry in high-resolution satellite image mosaics. Int. J. Appl. Earth Obs. Geoinformation Sarah A. Wegmueller, Nicholas R. Leach, Philip A. Townsend
2021	C	`conf`	NASA's Surface Biology and Geology Concept Study: Status and Next Steps. IGARSS David R. Thompson, David Bearden, Ian Brosnan, Kerry Cawse-Nicholson, Jonathan Chrone, Robert O. Green, Nancy F. Glenn, Liane S. Guild, Simon J. Hook, Raymond F. Kokaly, Christine M. Lee, Jeffrey Luvall, Charles E. Miller, Jamie Nastal, Ryan Pavlick, Benjamin Poulter, David S. Schimel, Fabian Schneider, Stephanie Schollaert Uz, Amit Sen, Shawn P. Serbin, Natasha Stavros, Kurt J. Thome, Philip A. Townsend, Woody Turner, Kevin R. Turpie, Weile Wang
2021	J	`jnl`	Trail camera networks provide insights into satellite-derived phenology for ecological studies. Int. J. Appl. Earth Obs. Geoinformation Nanfeng Liu, Matthew Garcia, Aditya Singh, John D. J. Clare, Jennifer L. Stenglein, Benjamin Zuckerberg, Eric L. Kruger, Philip A. Townsend
2020	J	`jnl`	Hyperspectral Measurements Enable Pre-Symptomatic Detection and Differentiation of Contrasting Physiological Effects of Late Blight and Early Blight in Potato. Remote. Sens. Kaitlin M. Gold, Philip A. Townsend, Adam Chlus, Ittai Herrmann, John J. Couture, Eric R. Larson, Amanda J. Gevens
2020	C	`conf`	NASA's Surface Biology and Geology Concept Study: Status and Next Steps. IGARSS David R. Thompson, David S. Schimel, Benjamin Poulter, Ian Brosnan, Simon J. Hook, Robert O. Green, Nancy F. Glenn, Liane S. Guild, Christopher Henn, Kerry Cawse-Nicholson, Raymond F. Kokaly, Christine M. Lee, Jeffrey Luvall, Charles E. Miller, Jamie Nastal, Ryan Pavlick, Benjamin Phillips, Fabian Schneider, Stephanie Schollaert Uz, Shawn P. Serbin, Natasha Stavros, Philip A. Townsend, Woody Turner, Kevin R. Turpie, Weile Wang
2020	J	`jnl`	Retrieving Foliar Traits of Quercus garryana var. garryana across a Modified Landscape Using Leaf Spectroscopy and LiDAR. Remote. Sens. Paul W. Hacker, Nicholas C. Coops, Philip A. Townsend, Zhihui Wang
2019	J	`jnl`	Spectral Data Collection by Dual Field-of-View System under Changing Atmospheric Conditions - A Case Study of Estimating Early Season Soybean Populations. Sensors Ittai Herrmann, Steven K. Vosberg, Philip A. Townsend, Shawn P. Conley
2018	J	`jnl`	Leaf and Canopy Level Detection of Fusarium Virguliforme (Sudden Death Syndrome) in Soybean. Remote. Sens. Ittai Herrmann, Steven K. Vosberg, Prabu Ravindran, Aditya Singh, Hao-Xun Chang, Martin I. Chilvers, Shawn P. Conley, Philip A. Townsend
2017	C	`conf`	Remote sensing spectroscopy to discriminate plant functional types and physiological function. IGARSS Philip A. Townsend, Adam Chlus, Zhihui Wang, Aditya Singh
2016	J	`jnl`	Associations of Leaf Spectra with Genetic and Phylogenetic Variation in Oaks: Prospects for Remote Detection of Biodiversity. Remote. Sens. Jeannine Cavender-Bares, Jose Eduardo Meireles, John J. Couture, Matthew A. Kaproth, Clayton C. Kingdon, Aditya Singh, Shawn P. Serbin, Alyson Center, Esau Zuniga, George Pilz, Philip A. Townsend
2016	J	`jnl`	Seasonal Variation in the NDVI-Species Richness Relationship in a Prairie Grassland Experiment (Cedar Creek). Remote. Sens. Ran Wang, John A. Gamon, Rebecca A. Montgomery, Philip A. Townsend, Arthur I. Zygielbaum, Keren Bitan, David Tilman, Jeannine Cavender-Bares
2015	J	`jnl`	An LUT-Based Inversion of DART Model to Estimate Forest LAI from Hyperspectral Data. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. Asim Banskota, Shawn P. Serbin, Randolph H. Wynne, Valerie A. Thomas, Michael J. Falkowski, Nilam Kayastha, Jean-Philippe Gastellu-Etchegorry, Philip A. Townsend
2015	J	`jnl`	Mapping Species Composition of Forests and Tree Plantations in Northeastern Costa Rica with an Integration of Hyperspectral and Multitemporal Landsat Imagery. Remote. Sens. Matthew E. Fagan, Ruth S. DeFries, Steven E. Sesnie, J. Pablo Arroyo-Mora, Carlomagno Soto, Aditya Singh, Philip A. Townsend, Robin L. Chazdon
2015	J	`jnl`	Missing Data and Regression Models for Spatial Images. IEEE Trans. Geosci. Remote. Sens. Jun Zhang, Murray K. Clayton, Philip A. Townsend
2014	J	`jnl`	Does the spatial arrangement of disturbance within forested watersheds affect loadings of nitrogen to stream waters? A test using Landsat and synoptic stream water data. Int. J. Appl. Earth Obs. Geoinformation Travis R. Cowles, Brenden E. McNeil, Keith N. Eshleman, Lindsay N. Deel, Philip A. Townsend
2013	C	`conf`	Approaches to establishing a metadata standard for field spectroscopy datasets. IGARSS Barbara A. Rasaiah, Tim J. Malthus, Chris Bellman, Laurie A. Chisholm, John A. Gamon, Andreas Hueni, Alfredo Huete, Simon D. Jones, Cindy Ong, Stuart R. Phinn, Chris M. Roelfsema, Lola Suárez, Philip A. Townsend, Rebecca Trevithick, Matthew Wyatt
2013	J	`jnl`	Investigating the Utility of Wavelet Transforms for Inverting a 3-D Radiative Transfer Model Using Hyperspectral Data to Retrieve Forest LAI. Remote. Sens. Asim Banskota, Randolph H. Wynne, Valerie A. Thomas, Shawn P. Serbin, Nilam Kayastha, Jean-Philippe Gastellu-Etchegorry, Philip A. Townsend
2003	J	`jnl`	Application of imaging spectroscopy to mapping canopy nitrogen in the forests of the central Appalachian Mountains using Hyperion and AVIRIS. IEEE Trans. Geosci. Remote. Sens. Philip A. Townsend, Jane R. Foster, Robert A. Chastain Jr., William S. Currie
2002	C	`conf`	Assessing flooding and vegetation structure in forested wetlands using Radarsat SAR imagery. IGARSS Philip A. Townsend, Jane R. Foster
2002	C	`conf`	Comparison of EO-1 Hyperion to AVIRIS for mapping forest composition in the Appalachian Mountains, USA. IGARSS Philip A. Townsend, Jane R. Foster
2002	C	`conf`	Predicting tropical forest carbon from EO-1 hyperspectral imagery in Noel Kempff Mercado National Park, Bolivia. IGARSS Jane R. Foster, Clayton C. Kingdon, Philip A. Townsend