Publications



• Ali, K.A. Witter, D.L., and Ortiz, J.D. (2012). Application of empirical and semi-analytical algorithms to MERIS data for estimating chlorophyll a in Case 2 waters of Lake Erie. Submitted Dec 2012 – Environmental Earth Sciences.

• Ali, K.A., Ortiz, J.D. (2012). Application of bilinear factor models to determine water quality parameters in the optically complex waters of the Western Basin of Lake Erie using first-derivative VIS/NiR hyperspectral data. American Geophysical Union, Oral, (03-07, Dec 2012), San Francisco, CA, USA.

• Ali, K.A., Witter, D., & Ortiz, J.D. (2012). Multivariate approach to estimate color producing agents in Case 2 waters using first-derivative spectrophotometer data. Geocarto International.doi:10.1080/10106049.2012.743601

• Shuman Morgan, Ali, K.A. (2012). Application of first-derivatives and empirical VIS/NIR bio-optical models to estimate phytoplankton concentrations in Case II waters. Geol. Soc America, Bulletin Vol. 44, No. 7, pp550.

• Sydow C.L., Ali, K.A. (2012). Application of MODIS data to estimate water quality parameters in optically complex water of the Western Basin of Lake Erie. Geol. Soc America, Bulletin Vol. 44, No. 7, pp550.

• Ali, K.A. Witter, D.L., and Ortiz, J.D. (2011). Application of wavelets transformation to detect cyanobacteria bloom using hyperspectral data, American Geophysical Union, Oral, (04-09, Dec 2011), San Francisco, CA, USA.

• Ali, K.A. Witter, D.L., and Ortiz, J.D. (2011). Monitoring cyanobacteria in the Western Basin of Lake Erie using MERIS satellite data. International Association of Great Lakes Research Conference, Oral, (5-10 May 2011), Duluth, MN, USA.

• Ali, K.A, Witter, D.L and Ortiz, J.D. (2010). Application of VIR-NIR spectral radiometry techniques to estimate chlorophyll a in turbid waters. Geol. Soc America, Bulletin Vol. 42, No. 5, p.273

• Ali, K.A, Witter, D.L and Ortiz, J.D (2010). An improved method for optical-feature extraction from multi-spectral data. International Association of Great Lakes Research (IAGLR)- 53nd Annual conference (18-22 May 2010), Toronto, OT, Canada.

• Ali, K.A, Witter, D.L and Ortiz, J.D. (2009). Assessing full resolution MERIS products in monitoring chlorophyll a and suspended matter in the Western Basin of Lake Erie. Geol. Soc America, Bulletin Vol. 41, No. 7, p.276

• Ali, K.A, Witter, D.L and Ortiz, J.D (2009). Multivariate assessment of remotely derived water quality parameters in Western Basin of Lake Erie. International Association of Great Lakes Research (IAGLR)- 52nd Annual conference (18-22 May 2009), Toledo, OH, USA.

• Ali, K.A, Susanne Stadler and Karsten Osenbrück (2007). Isotopes as a marker for potential impact of rift tectonics on the Groundwater system of the Awash Basin in East African Rift. International conference of Applied Isotope Geochemistry (AIG), Cape town, South Africa.

• Susanne Stadler, Khalid Adem, Karsten Osenbrück, Richard Gloaguen (2007). Applying remote sensing techniques and isotope hydrology in the investigation of the impact of fault and fracture zones on groundwater flow in the East African Rift of Ethiopia. Geowissenschafen, Potsdam, Germany. /b>