Richard Johansen
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Year
Comparison of satellite reflectance algorithms for estimating phycocyanin values and cyanobacterial total biovolume in a temperate reservoir using coincident hyperspectral …
R Beck, M Xu, S Zhan, H Liu, RA Johansen, S Tong, B Yang, S Shu, Q Wu, ...
Remote Sensing 9 (6), 538, 2017
162017
Pregnancy outcomes in women with kidney transplant: Metaanalysis and systematic review
S Shah, RL Venkatesan, A Gupta, MK Sanghavi, J Welge, R Johansen, ...
BMC nephrology 20 (1), 24, 2019
92019
A spectral space partition guided ensemble method for retrieving chlorophyll-a concentration in inland waters from Sentinel-2A satellite imagery
M Xu, H Liu, R Beck, J Lekki, B Yang, S Shu, EL Kang, R Anderson, ...
Journal of Great Lakes Research 45 (3), 454-465, 2019
62019
Regionally and Locally Adaptive Models for Retrieving Chlorophyll-a Concentration in Inland Waters From Remotely Sensed Multispectral and Hyperspectral Imagery
M Xu, H Liu, R Beck, J Lekki, B Yang, S Shu, Y Liu, T Benko, R Anderson, ...
IEEE Transactions on Geoscience and Remote Sensing 57 (7), 4758-4774, 2019
42019
Evaluating the portability of satellite derived chlorophyll-a algorithms for temperate inland lakes using airborne hyperspectral imagery and dense surface observations
R Johansen, R Beck, J Nowosad, C Nietch, M Xu, S Shu, B Yang, H Liu, ...
Harmful algae 76, 35-46, 2018
42018
Comparison of satellite reflectance algorithms for estimating turbidity and cyanobacterial concentrations in productive freshwaters using hyperspectral aircraft imagery and …
R Beck, M Xu, S Zhan, R Johansen, H Liu, S Tong, B Yang, S Shu, Q Wu, ...
Journal of Great Lakes Research 45 (3), 413-433, 2019
32019
HABSat-1: assessing the feasibility of using CubeSats for the detection of cyanobacterial harmful algal blooms in inland lakes and reservoirs
RA Johansen, R Beck, R Stumpf, J Lekki, R Tokars, C Tolbert, C McGhan, ...
Lake and Reservoir Management 35 (2), 193-207, 2019
22019
waterquality: an open-source R package for the detection and quantification of cyanobacterial harmful algal blooms and water quality
RA Johansen, MK Reif, EB Emery, J Nowosad, RA Beck, M Xu, H Liu
Environmental Laboratory (US), 2019
2019
A holistic approach to monitoring water quality and harmful algal blooms in fresh water using satellite remote sensing
RA Johansen
University of Cincinnati, 2019
2019
waterquality: Satellite Derived Water Quality Detection Algorithms. R package
R Johansen, J Nowosad, M Reif, E Emery
http://doi.org/10.5281/zenodo.1493487, 2018
2018
Adapting Low-Cost Drone Technology to CubeSats for Environmental Monitoring and Management: Harmful Algal Bloom Satellite-1 (HABsat-1)
R Beck, H Liu, R Johansen, M Xu, C McGhan, GT Black, O Ma, ...
2018
An automated approach to agricultural tile drain detection and extraction utilizing high resolution aerial imagery and object-based image analysis
RA Johansen
University of Toledo, 2015
2015
Pregnancy Outcomes in Women with Kidney Transplant: Metaanalysis and Systematic
S Shah, R Venkatesan, A Gupta, M Sanghavi, J Welge, R Johansen, ...
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