Follow


2010

PDF

Improving the CALIPSO VFM product with Aqua MODIS measurements, Yong Xie, John J. Qu, and Xiaoxiong Xiong

2009

PDF

Forest canopy height from the Multiangle Imaging SpectroRadiometer (MISR) assessed with high resolution discrete return lidar, Mark Chopping, Anne Nolin, Gretchen G. Moisen, John V. Martonchik, and Michael Bull

PDF

Declining global per capita agricultural production and warming oceans threaten food security, Chris C. Funk and Molly E. Brown

PDF

The NASA Land-Cover/Land-Use Change (LCLUC) Program’s Support of the Northern Eurasia Earth Science Partnership Initiative (NEESPI): Focus on Non-boreal Europe, Garik Gutman

PDF

Crop Effects on Closed System Element Cycling for Human Life Support in Space, C. L. Mackowiak, P. R. Grossl, and R. M. Wheeler

PDF

Impact of wastewater fouling on contact angle, Evan Thomas and Dean Muirhead

PDF

Component analysis of errors in satellite-based precipitation estimates, Yudong Tian, Christa D. Peters-Lidard, John B. Eylander, Robert J. Joyce, George J. Huffman, Robert F. Adler, Kuo-lin Hsu, F. Joseph Turk, Matthew Garcia, and Jing Zeng

PDF

High Order Well-Balanced Schemes and Applications to Non-Equilibrium Flow with Stiff Source Terms, Wei Wang, Chi-Wang Shu, H. C. Yee, and Björn Sjögreen

PDF

High-order well-balanced schemes and applications to non-equilibrium flow, Wei Wang, Chi-Wang Shu, Helen C. Yee, and Bjorn Sjögreen

2008

PDF

Monitoring Resources in the Fremont-Winema National Forest and Yosemite National Park Using Satellite Imagery, Galli Basson, Cindy Schmidt, and J. W. Skiles

PDF

Neural Networks as a Tool for Constructing Continuous NDVI Time Series From AVHRR and MODIS, M. E. Brown, D. J. Lary, A. Vrieling, D. Stathakis, and H. Mussa

PDF

Food Security Under Climate Change, Molly E. Brown and Chris C. Funk

PDF

Comparison of three models for predicting gross primary production across and within forested ecoregions in the contiguous United States, Nicholas C. Coops, Colin J. Ferster, Richard H. Waring, and Joanne Nightingale

PDF

A modeling and spatio-temporal analysis framework for monitoring environmental change using NPP as an ecosystem indicator, Robert Crabtree, Christopher Potter, Randall Mullen, Jennifer Sheldon, Shengli Huang, Joshua Harmsen, Ann Rodman, and Cathie Jean

PDF

Sharing a World of Resources: Incorporating Science Content in Effective Interpretation, Anita Davis and Ruth Paglierani

PDF

Intercomparison and sensitivity analysis of Leaf Area Index retrievals from LAI-2000, AccuPAR, and digital hemispherical photography over croplands, S. Garrigues, N. V. Shabanov, K. Swanson, J. T. Morisette, F Baret, and R. B. Myneni

PDF

Multi-angle remote sensing of forest light use efficiency by observing PRI variation with canopy shadow fraction, Forrest G. Hall, Thomas Hilker, Nicholas C. Coops, Alexei Lyapustin, Karl F. Huemmrich, Elizabeth M. Middleton, Hank Margolis, Guillaume Drolet, and T. Andrew Black

PDF

A new methodology to map irrigated areas using multi-temporal MODIS and ancillary data: An application example in the continental US, Mutlu Ozdogan and Garik Gutman

PDF

Fundamental Study of a Miniaturized Disk-Type Electrostatic Aerosol Precipitator for a Personal Nanoparticle Sizer, Chaolong Qi, Da-Ren Chen, and Paul Greenberg

PDF

Effects of global irrigation on the near-surface climate, William J. Sacks, Benjamin I. Cook, Nikolaus Buenning, Samuel Levis, and Joseph H. Helkowski

PDF

An evaluation of operational GOES-derived single-layer cloud top heights with ARSCL data over the ARM Southern Great Plains Site, William L. Smith Jr., Patrick Mennis, Heather Finney, Rabindra Palikonda, and Mandana M. Khaiyer

PDF

Liquid Space Lubricants Examined by Vibrational Microspectroscopy, Kenneth W. Street Jr.

PDF

On well-balanced schemes for non-equilibrium flow with stiff source terms, W. Wang, C.-W. Shu, and Helen Yee

PDF

Evaluation of NASA satellite- and assimilation model-derived long-term daily temperature data over the continental US, Jeffrey W. White; Gerrit Hoogenboom; Paul W. Stackhouse, Jr.; and James M. Hoell

PDF

Adaptive filtering and limiting in compact high order methods for multiscale gas dynamics and MHD systems, Helen C. Yee and Bjorn Sjögreen

2007

PDF

Sharing a World of Resources: Incorporating Science Content in Effective Interpretation, Anita Davis and Ruth Paglierani

PDF

Aerosol Properties Computed from Aircraft-Based Observations during the ACE-Asia Campaign: 1. Aerosol Size Distributions Retrieved from Optical Thickness Measurements, M. Kuzmanoski, M. A. Box, G. P. Box, B. Schmid, J. Wang, P. B. Russell, H. H. Jonsson, and J. H. Seinfield

PDF

Aerosol Properties Computed from Aircraft-Based Observations During the ACE-Asia Campaign: 2. A Case Study of Lidar Ratio Closure, M. Kuzmanoski, M. A. Box, B. Schmid, G. P. Box, J. Wang, P. B. Russell, D. Bates, H. H. Jonsson, E. J. Welton, and J. H. Seinfeld

PDF

Computational issues and algorithm assessment for shock/turbulence interaction problems, J. Larsson, A. Cook, S. K. Lele, Parviz Moin, B. Cabot, Bjorn Sjögreen, Helen C. Yee, and X. Zhong

PDF

Results from the DC-8 Inlet Characterization Experiment (DICE): Airborne Versus Surface Sampling of Mineral Dust and Sea Salt Aerosols, Cameron S. McNaughton, Antony D. Clarke, Steven G. Howell, Mitchell Pinkerton, Bruce Anderson, Lee Thornhill, Charlie Hudgins, Edward Winstead, Jack E. Dibb, Eric Scheuer, and Hal Maring

PDF

Satellite-derived estimates of potential carbon sequestration through afforestation of agricultural lands in the United States, Christopher Potter, Steven Klooster, Seth Hiatt, Matthew Fladeland, Vanessa Genovese, and Peggy Gross

PDF

Adaptation and mitigation strategies in agriculture: an analysis of potential synergies, Cynthia Rosenzweig and Francesco Nicola Tubiello

PDF

Simulation of Richtmyer–Meshkov instability by sixth-order filter methods, Helen C. Yee and Bjorn Sjögreen

PDF

Development of low dissipative high order filter schemes for multiscale Navier–Stokes/MHD systems, Helen C. Yee and Björn Sjögreen

PDF

Vegetation water content during SMEX04 from ground data and Landsat 5 Thematic Mapper imagery, M. Tugrul Yilmaz; E. Raymond Hunt, Jr.; Lyssa D. Goins; Susan L. Ustin; Vern C. Vanderbilt; and Thomas J. Jackson

2006

PDF

Intra-seasonal NDVI change projections in semi-arid Africa, Chris C. Funk and Molly E. Brown

PDF

Spectral Network (SpecNet)—What is it and why do we need it?, John A. Gamon, A. F. Rahman, J. L. Dungan, M. Schildhauer, and K. F. Huemmrich

PDF

Evaluation of fraction of absorbed photosynthetically active radiation products for different canopy radiation transfer regimes: Methodology and results using Joint Research Center products derived from SeaWiFS against ground-based estimations, Nadine Gobron, Bernard Pinty, Ophélie Aussedat, Jing-M Chen, Warren B. Cohen, Rasmus Fensholt, Valery Gond, Karl Fred Huemmrich, Thomas Lavergne, Frédéric Mélin, Jeffrey L. Privette, Inge Sandholt, Malcolm Taberner, David P. Turner, Michel M. Verstraete, and Jean-Luc Widlowski

PDF

Contribution of the NASA Land-Cover/Land-Use Change Program to the Northern Eurasia Earth Science Partnership Initiative: An overview, Garik Gutman

PDF

A Review of Carbon Nanotube Toxicity and Assessment of Potential Occupational and Environmental Health Risks, Chiu-wing Lam, John T. James, Richard McCluskey, Sivaram Arepalli, and Robert L. Hunter

PDF

Moisture-Induced Delayed Spallation and Interfacial Hydrogen Embrittlement of Alumina Scales, James L. Smialek Ph.D.

PDF

Landsat cross-calibration based on near simultaneous imaging of common ground targets, P.M. Teillet, B. L. Markham, and Richard R. Irish

PDF

Nonlinear filtering in compact high-order schemes, H. C. Yee and Björn Sjögreen

PDF

Efficient Low Dissipative High Order Schemes for Multiscale MHD Flows, II: Minimization of ∇·B Numerical Error, Helen C. Yee and Bjorn Sjögreen

PDF

Non-Linear Filtering and Limiting in High Order Methods for Ideal and Non-Ideal MHD, Helen C. Yee and Bjorn Sjögreen

2005

PDF

Changes in Summer Irrigated Crop Area and Water Use in Southeastern Turkey from 1993 to 2002: Implications for Current and Future Water Resources, Mutlu Ozdogan, Curtis E. Woodcock, Guido D. Salvucci, and Hüseyin Demir

PDF

Medieval Warming, Little Ice Age, and European impact on the environment during the last millennium in the lower Hudson Valley, New York, USA, Dee Cabaniss Pederson, Dorothy M. Peteet, Dorothy Kurdyla, and Tom Guilderson

2004

PDF

Methodology comparison for canopy structure parameters extraction from digital hemispherical photography in boreal forests, Sylvain G. Leblanc, Jing M. Chen, Richard Fernandes, Donald w. Deering, and Alexis Conley

PDF

Multiresolution Wavelet Based Adaptive Numerical Dissipation Control for High Order Methods, Bjorn Sjögreen and Helen C. Yee

PDF

Smart Materials, Precision Sensors/Actuators, Smart Structures, and Structronic Systems, H. S. Tzou, H.-J. Lee, and S. M. Arnold

2003

PDF

Characterization of a Viscoplastic Constitutive Model and Its Application for the Finite Element Analyses of a Stirling Space Power Converter Heater Head, Ali Abdul-Aziz, David Krause, and M. Tong

PDF

Application of generalized wall function for complex turbulent flows, Tsan-Hsing Shih, Louis A. Povinelli, and Nan-Suey `. Liu

PDF

Grid convergence of high order methods for multiscale complex unsteady viscous compressible flows, Björn Sjögreen and Helen C. Yee

PDF

A deterministic interfacial cyclic oxidation spalling model, James L. Smialek

PDF

Africa burning: A thematic analysis of the Southern African Regional Science Initiative (SAFARI 2000), Robert J. Swap, Harold J. Annegarn, J. Timothy Suttles, Michael D. King, Steven Platnick, Jeffrey L. Privette, and Robert J. Scholes

2002

PDF

MODIS Snow-Cover Products, Dorothy K. Hall, George A. Riggs, Vincent V. Salomonson, Nicolo E. DiGirolamo, and Klaus J. Bayr

PDF

High order numerical simulation of sound generated by the Kirchhoff vortex, Bernhard Müller and Helen C. Yee

PDF

Global products of vegetation leaf area and fraction absorbed PAR from year one of MODIS data, R. B. Myneni, S. Hoffman, Y. Knyazikhin, J. L. Privette, J. Glassy, Y. Tian, Y. Wang, X. Song, Y. Zhang, G. R. Smith, A. Lotsch, M. Friedl, J. T. Morisette, P. Votava, R. R. Nemani, and S. W. Running

PDF

Early spatial and temporal validation of MODIS LAI product in the Southern Africa Kalahari, J. L. Privette, R. B. Myneni, Y. Knyazikhin, M. Mukelabai, G. Roberts, Y. Tian, Y. Wang, and S. G. LeBlanc

PDF

Entropy Splitting for High-Order Numerical Simulation of Compressible Turbulence, N. D. Sandham, Q. Li, and Helen C. Yee

PDF

First operational BRDF, albedo nadir reflectance products from MODIS, Crystal B. Schaaf, Feng Gao, Alan H. Strahler, Wolfgang Lucht, Xiaowen Li, Trevor Tsang, Nicholas C. Strugnell, Xiaoyang Zhang, Yufang Jin, Jan-Peter Muller, Philip Lewis, Michael Barnsley, Paul Hobson, Mathias Disney, Gareth Roberts, Michael Dunderdale, Christopher Doll, Robert P. d’Entremont, Baoxin Hu, Shunlin Liang, Jeffrey L. Privette, and David P. Roy

PDF

COSP for Windows—Strategies for Rapid Analyses of Cyclic-Oxidation Behavior, James L. Smialek and J. V. Auping

PDF

Multiscale analysis and validation of the MODIS LAI product, Yuhong Tian, Curtis E. Woodcock, Yujie Wang, Jeff L. Privette, Nikolay V. Shabanov, Liming Zhou, Yu Zhang, Wolfgang Buermann, Jiarui Dong, Brita Veikkanen, Tuomas Häme, Kaj Andersson, Mutlu Ozdogan, Yuri Knyazikhin, and Ranga B. Myneni

2001

PDF

Responses of an arctic landscape to Lateglacial and early Holocene climatic changes: the importance of moisture, Daniel H. Mann, Dorothy M. Peteet, Richard E. Reanier, and Michael L. Kunz

PDF

Entropy Splitting for High Order Numerical Simulation of Vortex Sound at Low Mach Numbers, Bernhard Müller and H. C. Yee

PDF

Entropy Splitting for High Order Numerical Simulation of Vortex Sound at Low Mach Numbers, B. Müller and H.C. Yee

PDF

Climate change and extreme weather events - Implications for food production, plant diseases, and pests, Cynthia Rosenzweig, Ana Iglesius, X. B. Yang, Paul R. Epstein, and Eric Chivian

PDF

Radiometric cross-calibration of the Landsat-7 ETM+ and Landsat-5 TM sensors based on tandem data sets, P.M. Teillet, J. L. Barker, B. L. Markham, R. R. Irish, G. Fedosejevs, and J.C. Storey

PDF

Building Blocks for Reliable Complex Nonlinear Numerical Simulations, Helen Yee

PDF

Designing Adaptive Low-Dissipative High Order Schemes for Long-Time Integrations, Helen Yee and Bjorn Sjögreen

2000

PDF

COMPARISON OF THE ADSORBED MERCURY SCREENING METHOD WITH COLD-VAPOR ATOMIC ABSORPTION SPECTROPHOTOMETRY FOR DETERMINATION OF MERCURY IN SOIL, Donald F. Easterling, Edward S. Hovanitz, and Kenneth W. Street

PDF

Low Potassium Enhances Sodium Uptake in Red-Beet Under Moderate Saline Conditions, G. V. Subbarao, R. M. Wheeler, G. W. Stutte, and L. H. Levine

PDF

Correcting eddy-covariance flux underestimates over a grassland, T. E. Twine, W. P. Kustas, J. M. Norman, D. R. Cook, P. R. Houser, T. P. Meyers, J. H. Prueger, P. J. Starks, and M. L. Wesley

PDF

Entropy Splitting and Numerical Dissipation, Helen C. Yee and M. J. Djomehri

1999

PDF

Resuspension of Particles by Aerodynamic Deagglomeration, Mark Fonda, Mike Petach, C. Fred Rogers, Judith Huntington, David Stratton, Kenji Nishioka, and Mark Tipo

PDF

Remote sensing of photosynthetic-light-use efficiency of boreal forest, Caroline J. Nichol, Karl F. Huemmrich, T. Andrew Black, Paul G. Jarvis, Charles L. Walthall, John Grace, and Forrest G. Hall

PDF

SiC and Si3N4 recession due to SiO2 scale volatility under combustor conditions, James L. Smialek, R. Craig Robinson, Elizabeth J. Opila, Dennis S. Fox, and Nathan S. Jacobson

PDF

How Far Can Sodium Substitute for Potassium in Red Beet?, G. V. Subbarao, R. M. Wheeler, G. W. Stutte, and L. H. Levine

PDF

Measuring Fractional Cover and Leaf Area Index in Arid Ecosystems: Digital Camera, Radiation Transmittance, and Laser Altimetry Methods, Michael A. White, Gregory P. Asner, Ramakrishna R. Nemani, Jeff L. Privette, and Steven W. Running

PDF

Low-Dissipative High-Order Shock-Capturing Methods Using Characteristic-Based Filters, Helen C. Yee, N. D. Sandham, and M. J. Djomehri

PDF

ON SPURIOUS BEHAVIOR OF CFD SIMULATIONS, Helen C. Yee, J. R. Torczynski, S. A. Morton, M. R. Visbal, and P. K. Sweby

1998

PDF

Estimating vegetation structural effects on carbon uptake using satellite data fusion and inverse modeling, Gregory P. Asner, C. Ann Bateson, Jeffrey L. Privette, Nazmi El Saleous, and Carol A. Wessman

PDF

The Moderate Resolution Imaging Spectroradiometer (MODIS): Land Remote Sensing for Global Change Research, Christopher O. Justice, Eric Vermote, John R. G. Townshend, Ruth Defries, David P. Roy, Dorothy K. Hall, Vincent V. Salomonson, Jeffrey L. Privette, George Riggs, Alan Strahler, Wolfgang Lucht, Ranga P. Myneni, Yuri Knyazikhin, Steve W. Running, Rama R. Nemani, Zhengming Wan, Alfredo R. Huete, Wim van Leeuwen, Robert E. Wolfe, Louis Giglio, Jan-Peter Muller, Philip Lewis, and Michael J. Barnsley

PDF

A new method of retrieving surface bidirectional reflectance from ground measurements: Atmospheric sensitivity study, A. I. Lyapustin and J. L. Privette

PDF

Wind Tunnel Tests of a Shrouded Aircraft Inlet, D. M. Murphy and M. E. Schein

1997

PDF

Estimating spectral albedo and nadir reflectance through inversion of simple BRDF models with AVHRR/MODIS-Iike data, Jeffrey L. Privette, Thomas F. Eck, and Donald W. Deering

PDF

Atmospheric correction of visible to middle-infrared EOS-MODIS data over land surfaces: Background, operational algorithm and validation, E. F. Vermote, N. El Saleous, C. O. Justice, Y. J. Kaufman, J. L. Privette, L. Remer, J. C. Roger, and D. Tanre

PDF

Explicit and Implicit Multidimensional Compact High-Resolution Shock-Capturing Methods: Formulation, Helen C. Yee

PDF

On Spurious Behavior of Super-Stable Implicit Methods, Helen C. Yee and P. K. Sweby

1996

PDF

Extracting ecological and biophysical information from AVHRR optical data: An integrated algorithm based on inverse modeling, B. H. Braswell, D. S. Schimel, J. L. Privette, B. Moore III, W. J. Emery, E. W. Sulzman, and A. T. Hudak

1995

PDF

Inversion of a soil bidirectional reflectance model for use with vegetation reflectance models, Jeffrey L. Privette, Ranga B. Myneni, William J. Emery, and Bernard Pinty

1993

PDF

Chromium and Reactive Element Modified Aluminide Diffusion Coatings on Superalloys: Environmental Testing, Robert Bianco, Robert A. Rapp, and James L. Smialek

PDF

Determination of Radiative Transport Properties of Particle Suspensions by a Single-Scattering Experiment, Seung-Ki Chae and HaeOk Skarda Lee

PDF

Impacts, Tillites, and the Breakup of Gondwanaland, Verne R. Oberbeck, John R. Marshall, and Hans Aggarwal

1992

PDF

NUMERICAL WAVE PROPAGATION IN AN ADVECTION EQUATION WITH A NONLINEAR SOURCE TERM, D. F. Griffiths, A. M. Stuart, and Helen C. Yee

PDF

On spurious asymptotic numerical solutions of explicit Runge Kutta methods, D. F. Griffiths, P. K. Sweby, and Helen C. Yee

1991

PDF

THE NAS PARALLEL BENCHMARKS, D. H. Bailey, E. Barszcz, J. T. Barton, D. S. Browning, R. L. Carter, L. Dagum, R. A. Fatoohi, P. O. Frederickson, T. A. Lasinski, R. S. Schreiber, H. D. Simon, V. Venkatakrishnan, and S. K. Weeratunga

PDF

Dynamical Approach Study of Spurious Steady-State Numerical Solutions of Nonlinear Differential Equations. I. The Dynamics of Time Discretization and Its Implications for Algorithm Development in Computational Fluid Dynamics, Helen C. Yee, P. K. Sweby, and D. F. Griffiths

1990

PDF

A Study of Numerical Methods for Hyperbolic Conservation Laws with Stiff Source Terms, R. J. LeVeque and Helen C. Yee

PDF

High- Resolution Shock-Capturing Schemes for Inviscid and Viscous Hypersonic Flows, Helen C. Yee, G. H. Klopfer, and J.-L. Montagne