Below you may find selected research papers and other works from the Institute for Earth, Computing, Human and Observing (ECHO) at Chapman University.

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Submissions from 2009

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Inter-continental Transport of Dust and Pollution Aerosols across Alexandria, Egypt, Hesham el-Askary, R. Farouk, C. Ichoku, and Menas Kafatos

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Transport of Dust and Anthropogenic Aerosols Across Alexandria, Egypt, Hesham el-Askary, R. Farouk, C. Ichoku, and Menas Kafatos

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Enhanced Pre-Monsoon Warming over the Himalayan-Gangetic Region from 1979-2007, Ritesh Gautam, N. C. Hsu, K. M. Lau, S.-C. Tsay, and Menas Kafatos

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Convective Initiation Ahead of Squall Lines Involving Small Hills, Seung Hee Kim and Robert Fovell

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Melting of Major Glaciers in the Western Himalayas: Evidence of Climatic Changes from Long Term MSU Derived Tropospheric Temperature Trend (1979-2008), Anup K. Prasad, Keun-Hang Susan Yang, Hesham el-Askary, and Menas Kafatos

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Numerical Simulations of the Impacts of the Saharan Air Layer on Atlantic Tropical Cyclone Development, Donglian Sun, K. M. Lau, Menas Kafatos, Z. Boybeyi, G. Leptoukh, C. Yang, and Ruixin Yang

Submissions from 2008

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Dust Storm and Black Cloud Influence on Aerosol Optical Properties over Cairo and the Greater Delta Region, Egypt, Hesham el-Askary and Menas Kafatos

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A Study of Land Surface Processes Using Land Surface Models Over the Little River Experimental Watershed, A. K. Sahoo, P. A. Dirmeyer, P. R. Houser, and Menas Kafatos

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Contrasting the 2007 and 2005 Hurricane Seasons: Evidence of Possible Impacts of Saharan Dry Air and Dust on Tropical Cyclone Activity in the Atlantic Basin, D. Sun, K. M. Lau, and Menas Kafatos

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“Optimal” Conditions for Rapid Intensifications of Tropical Cyclones with Limited Factors, Ruixin Yang, Jiang Tang, and Menas Kafatos

Submissions from 2007

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Efficient PCA Fusion Techniques for MISR Multi-angle Observations with Applications to Monitoring Dust Storms, Abhishek Agarwal, Hesham el-Askary, Tarek El-Ghawazi, Menas Kafatos, and Jacqueline Le-Moigne

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Influences of Winter Haze on Fog/Low Cloud Over the Indo-Gangetic Plains, Ritesh Gautam, N. C. Hsu, and Menas Kafatos

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The Endogenous Cannabinoid Anandamide Inhibits Cromakalim-Activated K+ Currents in Follicle-Enclosed Xenopus Oocytes, Murat Oz, Keun-Hang Susan Yang, Meral Dinc, and Toni S. Shippenberg

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Note on the NDVI-LST Relationship and the Use of Temperature-Related Drought Indices Over North America, D. Sun and Menas Kafatos

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Improved Associated Conditions in Rapid Intensifications of Tropical Cyclones, Ruixin Yang, J. Tang, and Menas Kafatos

Submissions from 2006

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Discrete Propagation in Numerically Simulated Nocturnal Squall Lines, Robert Fovell, Gretchen L. Mullendore, and Seung Hee Kim

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Computational Sciences: At the Intersection of Science and Engineering - Case Study for Academic and Research Programs, Menas Kafatos, P. A. Becker, and Z. Boybeyi

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Role of Anomalous Warm Gulf Waters in the Intensification of Hurricane Katrina, Menas Kafatos, D. Sun, Ritesh Gautam, Z. Boybeyi, Ruixin Yang, and G. Cervone

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Diurnal Temperature Range Over the United States: A Satellite View, D. Sun, R. T. Pinker, and Menas Kafatos

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Effective Retrieval Performed by DIMES with the Application of Lucene, Yujie Zhao, Ruixin Yang, and Menas Kafatos

Submissions from 2005

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Anomalous Gulf Heating and Hurricane Katrina's Rapid Intensification, Menas Kafatos, Ritesh Gautam, Guido Cervone, Zafer Boybeyi, and Donglian Sun

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Variation of Physical Constants, Redshift and the Arrow of Time, Menas Kafatos, Sisir Roy, and Malabika Roy

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Presynaptic Angiotensin II AT1 Receptors Enhance Inhibitory and Excitatory Synaptic Neurotransmission to Motoneurons and Other Ventral Horn Neurons in Neonatal Rat Spinal Cord, Murat Oz, Keun-Hang Susan Yang, Michael J. O'Donovan, and Leo P. Renaud

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Bridging Earth Observations: Remote Sensing Measurements, Fire Modeling and Air Quality Decision Support System in the Eastern United States, John J. Qu, Xianjun Hao, Ruixin Yang, William Somers, Swarvanu Dasgupta, Sanjeeb Bhoi, Menas Kafatos, Yongqiang Liu, Gary Achtemeier, Allen R. Riebau, and Patrick Coronado

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Using Transport Coefficients of Cosmic Rays in Turbulent Magnetic Fields to Determine Hybrid Viscosity in Hot Accretion Disks Around AGN, Prasad Subramanian, Peter A. Becker, and Menas Kafatos

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Data Mining for Tropical Cyclone Intensity Prediction, Jiang Tang, Ruixin Yang, and Menas Kafatos

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Inhibition Modifies the Effects of Slow Calcium-Activated Potassium Channels on Epileptiform Activity in a Neuronal Network Model, Keun-Hang Susan Yang, Piotr J. Franaszczuk, and Gregory K. Bergey

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A Metadata Integrated Data Analysis Server (MIDAS): Enhancements and Updates, Yujie Zhao, Ruixin Yang, and Menas Kafatos

Submissions from 2004

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A Software System to Support Earth Science Data Services, Yuechen Chi, Ruixin Yang, and Menas Kafatos

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Remote Sensing of Dust Storms Over the Indo-Gangetic Basin, Hesham el-Askary, Ritesh Gautam, and Menas Kafatos

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Rain Gauge Derived Precipitation Variability over Virginia and its Relation with the EL NINO Southern Oscillation (ENSO), Hesham el-Askary, S. Sarkar, L. Chiu, Tarek El-Ghawazi, and Menas Kafatos

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Correlation between Atmospheric CO2 Concentration and Vegetation Greenness in North America: CO2 Fertilization Effect, C. Lim, Menas Kafatos, and P. Megonigal

Submissions from 2003

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Geometroneurodynamic Source, Sisir Roy and Menas Kafatos

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Quantum processes, space-time representation and brain dynamics, Sisir Roy and Menas Kafatos

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Changing Slow Calcium-Activated Potassium Current Kinetics Influence Bursting Activity in a Model of Pyramidal Neurons, Keun-Hang Susan Yang, Piotr J. Franaszczuk, and Gregory K. Bergey

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The Influence of Slow Calcium-Activated Potassium Channels on Epileptiform Activity in a Neuronal Model of Pyramidal Cells, Keun-Hang Susan Yang, Piotr J. Franaszczuk, and Gregory K. Bergey

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A Scalable Grid-Enabled Data Framework for EastFIRE Decision Support, Ruixin Yang, J. Qu, Yuechen Chi, and Menas Kafatos

Submissions from 2002

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Sheaf Cohomology and Geometrical Approach to EPR Non-locality, Menas Kafatos, Goro Kato, and Sisir Roy

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Utilizing Remote Sensed Data in a Quick Response System, Menas Kafatos, Ruixin Yang, Chaowei Yang, Richard Gomez, and Zafer Boybeyi

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The Effect of Changes in the Inhibitory Interneuron Connectivity on the Pattern of Bursting Behavior in a Pyramidal Cell Model, Keun-Hang Susan Yang, Piotr J. Franaszczuk, and Gregory K. Bergey

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The Influences of GABAA and GABAB Inhibition in Bursting Activity in a Model of Pyramidal Cells, Keun-Hang Susan Yang, Piotr J. Franaszczuk, and Gregory K. Bergey

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Massive Date Sets Issues in Earth Observing, Ruixin Yang and Menas Kafatos

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Future Intelligent Earth Observing Satellites, Guoqing Zhou and Menas Kafatos

Submissions from 2001

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Comparison of the Monthly Precipitation Derived from the TRMM Satellite, D. Shin, L. Chiu, and Menas Kafatos

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Synaptic Connections on the Patterns of Bursting in A Neuronal Circuit Model, Keun-Hang Susan Yang, Piotr J. Franaszczuk, and Gregory K. Bergey

Submissions from 2000

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The Recent High State of the BL Lacertae Object AO 0235 and Cross-Correlations Between Optical and Radio Bands, M. Roy, I. E. Papadikis, E. Ramos-Colon, R. Sambruna, K. Tsinganos, J. Papamastorkis, and Menas Kafatos

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Category Theory as the Language of Consciousness, Daniele C. Struppa, Menas Kafatos, Sisir Roy, Goro Kato, and R. L. Amoroso

Books from 1999

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Inner Region Accretion Flows onto Black Holes, Menas Kafatos and Prasad Subramanian

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The Non-local Universe: The New Physics and Matters of the Mind, Robert Nadeau and Menas Kafatos

Submissions from 1997

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Lateral Shock of the R Aquarii Jet, J. M. Hollis, J. A. Pedelty, and Menas Kafatos

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Multifrequency Studies, Menas Kafatos

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Multiwavelength Blazar Studies, Menas Kafatos

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Contemporaneous IUE, EUVE, and High-Energy Observations of 3C 273, E. Ramos, Menas Kafatos, A. Fruscione, F. C. Bruhweiler, I. M. McHardy, R. C. Hartman, L. G. Titarchuk, and C. von Montigny

Submissions from 1996

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Center for Earth Observing and Space Research Report, James H. Beall, Peter A. Becker, R. Ellsworth, B. Geldzahler, J. Guillory, P. Hertz, Menas Kafatos, R. Nemiroff, K. Olson, L. Ozernoy, L. G. Titarchuk, J. Wllin, Y. Wood, and Ruixin Yang

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Ion Viscosity Mediated by Tangled Magnetic Fields: An Application to Black Hole Accretion Disks, P. Subramanian, P. A. Becker, and Menas Kafatos

Submissions from 1995

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Implications of Gamma-Ray Transparency Constraints in Blazars: Minimum Distances and Gamma-Ray Collimation, P. A. Becker and Menas Kafatos

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Multiwavelength Observations of Markarian 421 During a TeV/X-Ray Flare, D. J. Macomb, C. W. Akerlof, H. D. Aller, M. F. Aller, D. L. Bertsch, and Menas Kafatos

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OSSE Observations in Blazars, K. McNaron-Brown, W. N. Johnson, G. V. Jung, R. L. Kinzer, J. D. Kurfess, M. S. Strickman, C. D. Dermer, D. A. Grabelsky, W. R. Purcell, M. P. Ulmer, Menas Kafatos, P. A. Becker, R. Staubert, and M. Maisack

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Ultraviolet Temporal Variability of the Peculiar Star R Aquarii, S. R. Meier and Menas Kafatos

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Shock Study in Fully Relativistic Isothermal Flows. II, Ruixin Yang and Menas Kafatos

Submissions from 1994

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Relativistic Particle Transport in Hot Accretion Disks, P. A. Becker, Menas Kafatos, and M. Maisack

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Transonic Inviscid Disc Flows in the Schwarzschild Metric – I, Menas Kafatos and Ruixin Yang

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Multifrequency Emission from Hot Ion Disks, M. Maisack, P. A. Becker, and Menas Kafatos

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A Far-Ultraviolet Atlas of Symbiotic Stars Observed with IUE. I. the SWP Range, S. R. Meier, Menas Kafatos, R. P. Fahey, and A. G. Michalitsianos

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Evidence Signalling the Start of Enhanced Counterjet Flow in the Symbiotic System R Aquarii, A. G. Michalitsianos, M. Perez, and Menas Kafatos

Submissions from 1993

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Extended Variability of the Symbiotic Star AG Draconis, Menas Kafatos and S. R. Meier

Submissions from 1992

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Fe ii Fluorescence and Anomalous C iv Doublet Intensities in Symbiotic Novae, A. G. Michalitsianos, Menas Kafatos, and S. R. Meier

Submissions from 1991

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Ultraviolet and Optical Spectroscopy of the R Aquarii Symmetrical Jet, J. M. Hollis, R. J. Oliverson, Menas Kafatos, A. G. Michalitsianos, and R. M. Wagner

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Forbidden Lines of np^q Ions. II. Line Intensities, J. P. Lynch and Menas Kafatos

Submissions from 1990

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Moderate-Resolution Spectroscopy of the Lensed Quasar 2237+0305: A search for Ca ii Absorption Due to the Interstellar Medium in the Foreground Lensing Galaxy, P. Hintzen, S. P. Maran, A. G. Michalitsianos, C. B. Foltz, F. H. Chafee, and Menas Kafatos

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Comparisons of SiO Maser and Long-Period Variable Positions in the Aquarii and Omicron Ceti Binary Systems, J. M. Hollis, M. C. H. Wright, W. J. Welch, P. R. Jewell, H. E. Crull, Menas Kafatos, and A. G. Michalitsianos

Submissions from 1989

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RX Puppis: Detection of Asymmetrical Radio Structure, J. M. Hollis, F. Yusef-Zadeh, T. J. Cornwell, R. J. Oliverson, A. G. Michalitsianos, and Menas Kafatos

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R Aquarii: Evidence for a Two-Sided Radio Jet and a Circumbinary SiO Maser, Menas Kafatos, J. M. Hollis, F. Yusef-Zadeh, A. G. Michalitsianos, and M. Elitzur

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Sanduleak's Star (LMC Anonymous): Its Similarity in the Far-Ultraviolet with the Luminous Object n Carinae and Sn 1987A, A. G. Michalitsianos, Menas Kafatos, and S. N. Shore

Submissions from 1988

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The C IV Doublet Ratio Intensity Effect in Symbiotic Stars, A. G. Michalitsianos, Menas Kafatos, R. P. Fahey, R. Viotti, A. Cassatella, and A. Altamore

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R Aquarii: The Large-Scale Optical Nebula and the Mira Variable Position, A. G. Michalitsianos, R. J. Oliverson, J. M. Hollis, Menas Kafatos, H. E. Crull, and R. J. Miller

Submissions from 1987

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The Large Scale Radio Structure of R Aquarii, J. M. Hollis, Menas Kafatos, A. G. Michalitsianos, R. J. Oliverson, and F. Yusef-Zadeh

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Supershells and Propagating Star Formation, R. McCray and Menas Kafatos

Submissions from 1986

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The Unusual Ultraviolet Variability of the QSO 3C 232, C. Bruhweilier, Menas Kafatos, and U. J. Sofia

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Sub-Arc Second 2 Centimeter Continuum and SiO Spectral Line Observations of R Aquarii, J. M. Hollis, A. G. Michalitsianos, Menas Kafatos, M. C. H. Wright, and W. J. Welch

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Evidence for Extended Radio Emission Surrounding RX Puppis, J. M. Hollis, R. J. Oliverson, Menas Kafatos, and A. G. Michalitsianos

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Ultraviolet Variability and Mass Expulsion from R Aquarii, Menas Kafatos, A. G. Michalitsianos, and J. M. Hollis

Submissions from 1985

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The R Aquarii System at Optical and Radio Wavelengths, J. M. Hollis, Menas Kafatos, A. G. Michalitsianos, and H. A. McAlister

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High Dispersion Untraviolet Spectra of the Peculiar Star RX Puppis, Menas Kafatos, A. G. Michalitsianos, and R. P. Fahey

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The 1984 Eclipse of the Symbiotic Binary SY Muscae, Scott J. Kenyon, Andrew G. Michalitsianos, Julie H. Lutz, and Menas Kafatos

Submissions from 1984

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Variable Ultraviolet Emission in SY Muscae, A. G. Michalitsianos and Menas Kafatos

Submissions from 1983

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The High-Energy Spectrum of Hot Accretion Disks, J. A. Eilek and Menas Kafatos

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UV Properties of Symbiotic Stars, Menas Kafatos

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High Spatial Resolution VLA Observations of the R Aquarii Jet, Menas Kafatos, J. M. Hollis, and A. G. Michalitsianos

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Observations of Two Peculiar Emission Objects in the Large Magellanic Cloud, Menas Kafatos, A. G. Michalitsianos, D. A. Allen, and R. E. Stencel

Submissions from 1982

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Ultraviolet Spectrum of the Crab Nebula, K. Davidson, T. R. Gull, S. P. Maran, T. P. Stecher, R. A. Fesen, R. A. Parise, C. A. Harvel, Menas Kafatos, and V. L. Trimble

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IUE Observations of the Peculiar Star RX Puppis, Menas Kafatos, A. G. Michalitsianos, and W. A. Feibelman

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Observations and Analysis of the Aquarii Jet, Menas Kafatos and Andrew G. Michalitsianos

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International Ultraviolet Explorer Observations of the Aquarii Jet, A. G. Michalitsianos and Menas Kafatos

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Ultraviolet Observations of Four Symbiotic Stars, A. G. Michalitsianos, Menas Kafatos, W. A. Feibelman, and R. W. Hobbs

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A Brightening of the Symbiotic Variable SY Muscae, A. G. Michalitsianos, Menas Kafatos, W. A. Feibelman, and G. Wallerstein

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UV Emission from the M1 Supergiant TV Gem, Andrew G. Michalitsianos and Menas Kafatos

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Radio and Optical Observations of the R Aquarii Jet, R. J. Sopka, G. Herbig, Menas Kafatos, and A. G. Michalitsianos

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Ultraviolet Observations of the 1980 Eclipse of the Symbiotic Star CI Cygni, R. E. Stencel, A. G. Michalitsianos, Menas Kafatos, and A. A. Boyarchuk

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Ci Cygni Since the 1980 Eclipse, R. E. Stencel, Andrew G. Michalitsianos, and Menas Kafatos