Val Kovalsky

Nave Analytics INC

Research Expertise

Sustainability
Remote Sensing
Phenology Modeling

Publications

Landsat-8: Science and product vision for terrestrial global change research
Remote Sensing of Environment
2014
Characterization of Landsat-7 to Landsat-8 reflective wavelength and normalized difference vegetation index continuity
Remote Sensing of Environment
2016
Web-enabled Landsat Data (WELD): Landsat ETM+ composited mosaics of the conterminous United States
Remote Sensing of Environment
2010
A general method to normalize Landsat reflectance data to nadir BRDF adjusted reflectance
Remote Sensing of Environment
2016
The global availability of Landsat 5 TM and Landsat 7 ETM+ land surface observations and implications for global 30m Landsat data product generation
Remote Sensing of Environment
2013
Continental-scale validation of MODIS-based and LEDAPS Landsat ETM+ atmospheric correction methods
Remote Sensing of Environment
2012
Monitoring conterminous United States (CONUS) land cover change with Web-Enabled Landsat Data (WELD)
Remote Sensing of Environment
2014
Conterminous United States demonstration and characterization of MODIS-based Landsat ETM+ atmospheric correction
Remote Sensing of Environment
2014
The suitability of multi-temporal web-enabled Landsat data NDVI for phenological monitoring – a comparison with flux tower and MODIS NDVI
Remote Sensing Letters
2012
Optimal Solar Geometry Definition for Global Long-Term Landsat Time-Series Bidirectional Reflectance Normalization
IEEE Transactions on Geoscience and Remote Sensing
2016
A One Year Landsat 8 Conterminous United States Study of Cirrus and Non-Cirrus Clouds
Remote Sensing
2015
Evapotranspiration Variability and Its Association with Vegetation Dynamics in the Nile Basin, 2002–2011
Remote Sensing
2014
Continuous Monitoring of Cotton Stem Water Potential using Sentinel-2 Imagery
Remote Sensing
2020
The Utility of Landsat Data for Global Long Term Terrestrial Monitoring
Remote Sensing and Digital Image Processing
2015
A new concept for simulation of vegetated land surface dynamics – Part 1: The event driven phenology model
Biogeosciences
2012
Change and persistence in land surface phenologies of the Don and Dnieper river basins
Environmental Research Letters
2009
US patent protects Evonik's membrane-based process for efficient biogas upgrading
Membrane Technology
2022
Alternative methods to predict actual evapotranspiration illustrate the importance of accounting for phenology – Part 2: The event driven phenology model
Biogeosciences
2012
Exploring the middle infrared region for urban remote sensing: seasonal and view angle effects
Remote Sensing Letters
2013
Evaluation of a coupled event‐driven phenology and evapotranspiration model for croplands in the United States northern Great Plains
Journal of Geophysical Research: Atmospheres
2013
Evaluation of rule-based classifier for Landsat-based automated land cover mapping in South Africa
2013 IEEE International Geoscience and Remote Sensing Symposium - IGARSS
2013
Viewing Global Megacities Through MODIS $4\hbox{-}\upmu \text{m}$ Radiance: Effects of Time of Year, Latitude, Land Cover, and View Zenith Angle
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
2016
Patent image retrieval using transformer-based deep metric learning
World Patent Information
2023
A Spatio-Temporal Data-Driven Automatic Control Method for Smart Home Services
Companion Proceedings of the Web Conference 2022
2022
Assessment of Multiplatform Satellite Image Frequency for Crop Health Monitoring
Unknown Venue
2020
Dual scale trend analysis for evaluating climatic and anthropogenic effects on the vegetated land surface in Russia and Kazakhstan
Environmental Research Letters
2009
Recent Trends in Land Surface Phenologies Within the Don and Dnieper River Basins from the Perspective of MODIS Collection 4 Products
NATO Science for Peace and Security Series C: Environmental Security
2009
A New Automatic Exposure Control System
Optical Engineering
1969
Review of « Ozone Profile Climatology for Remote Sensing Retrieval Algorithms » by Kai Yang and Xiong Liu.
Unknown Venue
2019
Evaluation of variable rate irrigation using a remote-sensing-based model
Agricultural Water Management
2018
Correction to “Optimal Solar Geometry Definition for Global Long-Term Landsat Time-Series Bidirectional Reflectance Normalization” [Mar 16 1410-1418]
IEEE Transactions on Geoscience and Remote Sensing
2018
Peer review report 3 On “Development of a masking device to exclude contaminated reflection during tower-based measurements of spectral reflectance from a vegetation canopy”
Agricultural and Forest Meteorology
2016
MODIS 4 µm radiance in global megacities depends on seasonality, land cover, and view zenith angle
2015 Joint Urban Remote Sensing Event (JURSE)
2015
Rapid Land Cover Map Updates Using Change Detection and Robust Random Forest Classifiers
Remote Sensing
2016
Alternative methods to predict actual evapotranspiration illustrate the importance of accounting for phenology – Part 2: The event driven phenology model
Unknown Venue
2011
Middle and high school students present posters at AGU Fall Meeting
Eos, Transactions American Geophysical Union
2011
Remotely Sensed Evapotranspiration Data Assimilation for Crop Growth Modeling
Evapotranspiration
2011
Northern Annular Mode Effects on the Land Surface Phenologies of Northern Eurasia
Journal of Climate
2008

Education

South Dakota State University

Ph. D., Geoinformation Science and Eng / August, 2011

Brookings, South Dakota, United States of America

Ohio University

Ms. Sc., Environmental Studies / June, 2004

Athens, Ohio, United States of America

Experience

Nave Analytics INC

Vice President of Technology / July, 2021Present

The Climate Corporation

R&D Lead for Digital Irrigation / October, 2018June, 2021

The Climate Corp

Sr. Scientist / September, 2015July, 2021

South Dakota State University

Research Professor / September, 2011September, 2015

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