Philip A. Townsend

According to our database, Philip A. Townsend authored at least 29 papers between 2002 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2024

Evaluation of the Reliability of the CCM-300 Chlorophyll Content Meter in Measuring Chlorophyll Content for Various Plant Functional Types.

Joelie M. Van Beek, Ting Zheng, Zhihui Wang, Kyle Kovach, Philip A. Townsend

Sensors, August, 2024

Exploring the potential of multi-source satellite remote sensing in monitoring crop nutrient status: A multi-year case study of cranberries in Wisconsin, USA.

Yurong Huang, Nanfeng Liu, Erin Wagner Hokanson, Nicole Hansen, Philip A. Townsend

Int. J. Appl. Earth Obs. Geoinformation, 2024

2022

A Camera-Based Method for Collecting Rapid Vegetation Data to Support Remote-Sensing Studies of Shrubland Biodiversity.

Erin J. Questad, Marlee Antill, Nanfeng Liu, E. Natasha Stavros, Philip A. Townsend, Susan Bonfield, David Schimel

Remote. Sens., 2022

Ongoing Progress Toward NASA's Surface Biology and Geology Mission.

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

Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2022

2021

Astrape: A System for Mapping Severe Abiotic Forest Disturbances Using High Spatial Resolution Satellite Imagery and Unsupervised Classification.

Sarah A. Wegmueller, Philip A. Townsend

Remote. Sens., 2021

Applicability of Smoothing Techniques in Generation of Phenological Metrics of Tectona grandis L. Using NDVI Time Series Data.

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

Remote. Sens., 2021

LOESS radiometric correction for contiguous scenes (LORACCS): Improving the consistency of radiometry in high-resolution satellite image mosaics.

Sarah A. Wegmueller, Nicholas R. Leach, Philip A. Townsend

Int. J. Appl. Earth Obs. Geoinformation, 2021

Airborne hyperspectral imaging of nitrogen deficiency on crop traits and yield of maize by machine learning and radiative transfer modeling.

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

Int. J. Appl. Earth Obs. Geoinformation, 2021

Trail camera networks provide insights into satellite-derived phenology for ecological studies.

Nanfeng Liu, Matthew Garcia, Aditya Singh, John D. J. Clare, Jennifer L. Stenglein, Benjamin Zuckerberg, Eric L. Kruger, Philip A. Townsend

Int. J. Appl. Earth Obs. Geoinformation, 2021

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.

Petya K. E. Campbell, Philip A. Townsend, Dan Mandl, James MacKinnon

Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2021

NASA's Surface Biology and Geology Concept Study: Status and Next Steps.

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

Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2021

2020

Retrieving Foliar Traits of Quercus garryana var. garryana across a Modified Landscape Using Leaf Spectroscopy and LiDAR.

Paul W. Hacker, Nicholas C. Coops, Philip A. Townsend, Zhihui Wang

Remote. Sens., 2020

Hyperspectral Measurements Enable Pre-Symptomatic Detection and Differentiation of Contrasting Physiological Effects of Late Blight and Early Blight in Potato.

Kaitlin M. Gold, Philip A. Townsend, Adam Chlus, Ittai Herrmann, John J. Couture, Eric R. Larson, Amanda J. Gevens

Remote. Sens., 2020

NASA's Surface Biology and Geology Concept Study: Status and Next Steps.

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

Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2020

2019

Spectral Data Collection by Dual Field-of-View System under Changing Atmospheric Conditions - A Case Study of Estimating Early Season Soybean Populations.

Ittai Herrmann, Steven K. Vosberg, Philip A. Townsend, Shawn P. Conley

Sensors, 2019

2018

Leaf and Canopy Level Detection of Fusarium Virguliforme (Sudden Death Syndrome) in Soybean.

Ittai Herrmann, Steven K. Vosberg, Prabu Ravindran, Aditya Singh, Hao-Xun Chang, Martin I. Chilvers, Shawn P. Conley, Philip A. Townsend

Remote. Sens., 2018

2017

Remote sensing spectroscopy to discriminate plant functional types and physiological function.

Philip A. Townsend, Adam Chlus, Zhihui Wang, Aditya Singh

Proceedings of the 2017 IEEE International Geoscience and Remote Sensing Symposium, 2017

2016

Seasonal Variation in the NDVI-Species Richness Relationship in a Prairie Grassland Experiment (Cedar Creek).

Ran Wang, John A. Gamon, Rebecca A. Montgomery, Philip A. Townsend, Arthur I. Zygielbaum, Keren Bitan, David Tilman, Jeannine Cavender-Bares

Remote. Sens., 2016

Associations of Leaf Spectra with Genetic and Phylogenetic Variation in Oaks: Prospects for Remote Detection of Biodiversity.

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

Remote. Sens., 2016

2015

Missing Data and Regression Models for Spatial Images.

Jun Zhang, Murray K. Clayton, Philip A. Townsend

IEEE Trans. Geosci. Remote. Sens., 2015

An LUT-Based Inversion of DART Model to Estimate Forest LAI from Hyperspectral Data.

Asim Banskota, Shawn P. Serbin, Randolph H. Wynne, Valerie A. Thomas, Michael J. Falkowski, Nilam Kayastha, Jean-Philippe Gastellu-Etchegorry, Philip A. Townsend

IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2015

Mapping Species Composition of Forests and Tree Plantations in Northeastern Costa Rica with an Integration of Hyperspectral and Multitemporal Landsat Imagery.

Matthew E. Fagan, Ruth S. DeFries, Steven E. Sesnie, J. Pablo Arroyo-Mora, Carlomagno Soto, Aditya Singh, Philip A. Townsend, Robin L. Chazdon

Remote. Sens., 2015

2014

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.

Travis R. Cowles, Brenden E. McNeil, Keith N. Eshleman, Lindsay N. Deel, Philip A. Townsend

Int. J. Appl. Earth Obs. Geoinformation, 2014

2013

Investigating the Utility of Wavelet Transforms for Inverting a 3-D Radiative Transfer Model Using Hyperspectral Data to Retrieve Forest LAI.

Asim Banskota, Randolph H. Wynne, Valerie A. Thomas, Shawn P. Serbin, Nilam Kayastha, Jean-Philippe Gastellu-Etchegorry, Philip A. Townsend

Remote. Sens., 2013

Approaches to establishing a metadata standard for field spectroscopy datasets.

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

Proceedings of the 2013 IEEE International Geoscience and Remote Sensing Symposium, 2013

2003

Application of imaging spectroscopy to mapping canopy nitrogen in the forests of the central Appalachian Mountains using Hyperion and AVIRIS.

Philip A. Townsend, Jane R. Foster, Robert A. Chastain Jr., William S. Currie

IEEE Trans. Geosci. Remote. Sens., 2003

2002

Assessing flooding and vegetation structure in forested wetlands using Radarsat SAR imagery.

Philip A. Townsend, Jane R. Foster

Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2002

Comparison of EO-1 Hyperion to AVIRIS for mapping forest composition in the Appalachian Mountains, USA.

Philip A. Townsend, Jane R. Foster

Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2002

Predicting tropical forest carbon from EO-1 hyperspectral imagery in Noel Kempff Mercado National Park, Bolivia.

Jane R. Foster, Clayton C. Kingdon, Philip A. Townsend

Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2002