Profile for Miguel Román
|Title:||Research Physical Scientist|
Terrestrial Information Systems Laboratory
Mail Code 619, Bldg 32, S-036F
Greenbelt, MD 20771
Office Phone: 301-614-5498
Recent Meetings, Interviews, and Presentations
D Kirschbaum (617) and M Román 619 participated in an Agency-wide NASA meeting on Disaster Response at Marshall Space Flight Center on September 28-29th.
M Román (619) was an invited speaker at a Workshop on Geospatial Analytics Applied to Urban Environments, sponsored by the National Geospatial-Intelligence Agency (NGA), and organized by Argonne National Laboratory. The workshop was used by NGA as a springboard for further developing its megacities R&D agenda in the following key areas: (1) Trends of significance to understanding future megacities and their resilience; (2) Megacity taxonomies – differentiating characteristics important to long-term resiliency; and (3) Available frameworks for modeling/communicating megacities and their resiliency. Román presented a talk and lead a follow-up discussion on satellite monitoring capabilities that can enable new insights for large/dense urban area function and resiliency, and what the future holds for remote sensing in this context.
M Román (619), Sadashiva Devadiga (SSAI/619), Belen Franch (UMCP/619) and Guoqing “Gary” Lin (SSAI/619) attended the STAR JPSS Annual Meeting at the NOAA Center for Weather and Climate Prediction (NCWCP) in College Park, Maryland. The goals for the meeting were to: (1) Cover the status of the current NOAA/JPSS operational products as well as the alternative products and data systems in development or in transition out of the current JPSS Interface Data Processing Segment (IDPS); (2) Discuss main elements of the proposed JPSS-1 instrument suite and cal/val plans; and (3) Discuss issues related to reprocessing, including strategies for long-term monitoring and reactive maintenance. Román presented, “CEOS/WGCV/LPV 2015 Report: Validation Datasets and Interagency/International Coordination”, Devadiga presented, “NASA Land SIPS: Production and QA”, Franch presented, “Surface Reflectance” and Lin presented, “J1 VIIRS Geometric Calibration and Performance & On-Orbit Expectations.”
M Román (619) served as the plenary chairman of the Second Forum on Prevention and Control of Light Pollution celebrated in San Juan, Puerto Rico (PR). The forum was held as part of the 2015 International Year of Light celebrations to promote citizen awareness about the different aspects that contribute to global light pollution and its effects on our environment and quality of life. During the forum, Román was joined by senior PR government officials, including Hon. Carmen Guerrero (Secretary of Natural and Environmental Resources) and Weldin Ortíz (President of PR’s Environmental Quality Board) on a session that focused on measurement protocols and regulatory aspects of light pollution in Puerto Rico; including the use of Suomi-NPP VIIRS Day/Night Band algorithms and products. Following the forum, Román, Guerrero, and Ortíz participated in a series of media interviews with national media, including El Nuevo Día, Primera Hora, MiPRV, Wapa.tv, and TelemundoPR.
M Román (619) presented an invited paper as the lead author at the IEEE Geoscience and Remote Sensing Symposium 2015 (IGARSS). “Dynamic Continuity of Global Land Science Products from Suomi-NPP VIIRS: Overview and Status”. The paper included a status report on the suite of Earth System Data Records being developed by the Suomi-NPP Land Discipline team to enable extension of the suite of EOS MODIS Earth System Data Record (ESDRs).
M Román met with staff and teacher participants from the Summer Watershed Institute. Román presented a talk entitled ‘Holiday Lights of the Maryland Eastern Shore as seen by Suomi NPP VIIRS’ and led a tour of the MODIS Adaptive Processing System (MODAPS) facility at Building 32.
The Partnership for Public Service (PPS) Excellence in Government Fellows (EIG) Program selected GSFC as their lead host for their “2015 Benchmarking Best Practices” session. Each year, the EIG program invites world-class public, private and nonprofit sector leaders to instruct a group of high performing federal employees (GS-14s and 15s) in applying leading management principles to their jobs. “Benchmarking” provides fellows with the opportunity to examine best practices and identify practical, innovative techniques for solving challenges facing government. The on-site session, coordinated by GSFC’s Office of Government & Community Relations, included presentations and follow-on discussions on “Driving Results at NASA Goddard”, led by Deputy Center Director, G Morrow, and NASA Earth Scientist, M Román.
M Román gave an invited talk at the 2015 HyspIRI Product Symposium, June 3 – 5 at GSFC, entitled “CEOS/Land Product Validation Perspective”. Román gave an update on the CEOS Working Group on Calibration and Validation, including requirements for Global Climate Observing System (GCOS) essential climate variables (ECV) that are relevant to U.S. Sustainable Land Imaging (SLI) goals.
M Román attended the MODIS/VIIRS Science Team Meeting (Silver Spring, MD, May 18-22), of which NASA Goddard Earth Sciences was the primary convener. At the meeting, which saw participation from all members of the MODIS/VIIRS Science team (including Land, Atmospheres, and Ocean Disciplines), the NASA program announced the redesign of the new MODIS website: http://modis.gsfc.nasa.gov/. Román led the Land Breakout session and gave a presentation during the plenary session "The Urban Social and Energy Use Data Embedded in VIIRS Nighttime Lights."
M Román presented a talk entitled ‘New Perspective: Seeing holiday lights from Space and what it tells us about Humanity’s tenure on Earth’ for visiting students and faculty from Georgetown College.
M. Román produced the first continuous time series of VIIRS nighttime lights over the Nepal region. The preliminary datasets are being used by multiple end-user groups (e.g., NASA-SPoRT, UNESCO-Nepal, Stanford Geospatial Center, Mapbox, and the USGS Hazards Data Distribution System) to characterize widespread power losses after the earthquake. Images produced by Jesse Allen (SSAI/613) are now available on NASA's Earth Observatory: http://earthobservatory.nasa.gov/IOTD/view.php?id=85816&eocn=home&eoci=iotd_grid.
M Román presented a talk entitled ‘New Perspective: Seeing holiday lights from Space and what it tells us about Humanity’s tenure on Earth’ for visiting students and faculty from Georgetown College.
M. Román served as a plenary panelist at the NASA Carbon Cycle and Ecosystems (CC&E) Joint Science Workshop (April 20-24, 2015). On the Tuesday of the workshop, six breakout groups met to discuss the top research questions that could drive NASA CC&E research over the coming decade. Román's panel then had the opportunity to reflect on the science questions, identify overlaps and gaps, and discuss other observations.
As part of the 2015 GSFC Earth Day activities, M. Román participated in an interview with Telemundo about the use of NASA/GSFC satellites to assess climate change impact on Earth's water systems.
M. Román presented a report entitled, “Committee on Earth Observation Satellites (CEOS) Working Group on Calibration and Validation (WGCV) Land Product Validation Subgroup: Overview and Status” at the 2015 NASA Carbon Cycle and Ecosystems Briefing hosted by GSFC’s Biospheric Sciences Laboratory.
M. Román was an invited speaker at the first Office of Management and Budget (OMB) Performance Improvement Council (PIC) Summit of 2015, “Give Voice to Data: The Power of Story”. The mission of PIC is to advance and expand the practice of performance management and improvement in Federal Government, and the use of data to drive decisions is at the heart of that practice. Román presented a Ted-like talk entitled: “New Perspective: Seeing holiday lights from space and what it tells us about humanity’s tenure on Earth”. The summit received wide coverage in social media, with OPM representatives supporting the event through graphic recording in person, and NASA-HQ supporting the event through graphic recording electronically.
M. Román participated in a live interview with Sky News (UK) about the total solar eclipse of March 20, 2015. During the interview, which aired during UK’s prime time slot, Román made references to NASA satellites and their ability to capture the shadow of solar eclipses from Space. Sadashiva Devadiga (619/SSAI) and his team at the MODIS/VIIRS Land Data Operational Products Evaluation (LDOPE) facility generated near-real time images of the March 20 eclipse as seen by Terra and Aqua MODIS (https://www.facebook.com/NASAHurricane/posts/871010226279105).
M. Román attended a panel discussion entitled: "Pathways to Urban Sustainability: Challenges and Opportunities”, which took place at the Keck Center of the National Academies in Washington, DC. As part of its evidence-gathering process, the NRC committee has organized a series of public data-gathering meetings to examine issues relating to urban sustainability. Topics being addressed include: energy, natural resource management, climate adaptation, economic development, hazard mitigation, public health, social equity, and land use considerations. The committee is developing an agenda for each meeting in consultation with regional stakeholders (e.g. academia, industry, city/county governments), so that the invited presentations and discussions can reflect place-based knowledge and approaches to sustainability.
M. Román was featured in El Nuevo Día (the largest distributed newspaper in Puerto Rico). The online article highlights his paths to success within NASA and his current work at the Agency (12 Feb, 2015).
M. Román participated in a live interview on WAMU’s Kojo Nmamdi Show. Román spoke about the use of Suomi-NPP VIIRS nighttime environmental products developed at GSFC/619 to characterize variations in global energy service demand. The interview, coordinated by Audrey Haar (Telophase/470), also covered a discussion on potential science applications of Suomi NPP land science products, from energy use to emergency response, as well as case studies relevant to the D.C. metro area (22 Jan, 2015).
M. Román participated in a series of live media interviews covering the release of the GISS Surface Temperature Analysis (GISTEMP) for 2014. Román covered new media markets for GSFC/PAO, including Telemundo Los Angeles, Telemundo Dallas, Univisión América, and two radio networks in Colombia (Caracol Radio and Señal Radio) (16 Jan, 2015).
M. Román and E. Stokes talked about their research analyzing holiday lights as measured by the Suomi NPP VIIRS Day/Night Visible sensor. Over 250 publications have covered the press release, including major US and international outlets such as CNN, The Washington Post, Wired, CNET, The Wall Street Journal, LA Times, Smithsonian Magazine, USA Today, The Huffington Post, Science, BBC, Daily Mail, Sky News, The Guardian, El País, El Nuevo Día, and MTV.com. A YouTube feature, prepared by Jefferson Beck (USRA/130), was released in both English and Spanish versions and has registered more than 500,000 views. Román also served as chair of AGU sessions IN11B and IN14A: Assessment of Satellite-Derived Essential Climate Variables in the Terrestrial Domain (Oral and Poster).
M. Román presided over the 1st Suomi-NPP Land Workshop at GSFC on December 3-4, 2014. All Suomi-NPP Land PIs, as well as DAACs, JPSS, and SIPS representatives, were in attendance and provided briefs on their projects for this proposal cycle. A major highlight was the afternoon session on Day 2, in which the team established priorities and phasing regarding the production of Suomi NPP Land Science Products.
M. Román attended the 38th CEOS Working Group on Calibration and Validation Plenary (WGCV-36) at NOAA’s Center for Weather and Climate Prediction (CWCP) in College Park, MD, Sept 30 – Oct 2nd, 2014. The WGCV-38 plenary provided a forum for the exchange of information on calibration and validation and international cooperative activities between CEOS member agencies. Román participated in his role as elected officer (vice-chair) of the CEOS-WGCV Land Product Validation (LPV) sub-group (http://lpvs.gsfc.nasa.gov/).
M. Román gave the combined EOSDIS (GSFC Code 610.2/619) seminar entitled: Science Rationale for NASA/GSFC’s MALIBU (Multi Angle Imaging Bidirectional Reflectance Distribution Function Unmanned Aerial Vehicle).
M. Román’s Samuel J. Heyman Service to America Medals (Sammies) finalist profile was featured in the Washington Post. The August 28, 2014 article by Lisa Rein focused on various highlights from projects at GSFC Code 619, including MODIS Rapid Response and the Suomi-NPP and JPSS missions. The article also mentioned Román's recent work using the Suomi-NPP VIIRS Day/Night Band in Global Land Change Science and Applications.
M Román was the primary author on the following paper presented at the 2014 International Geosciences and Remote Sensing Symposium (IGARSS) in Quebec City, Canada: 'Land, Cryosphere, and Nighttime Environmental Products from Suomi NPP VIIRS: Overview and Status'. Román was also the Chair of Oral Session TH3.03: Land Use and Land Cover Change I.
M. Román's Samuel J. Heyman Service to America Medals (Sammies) finalist profile was featured in El Nuevo Día (the most widely read newspaper in Puerto Rico, with a daily circulation of 155,000: link: http://tinyurl.com/nshn2un). The June 22, 2014 article focused on various highlights from projects at GSFC Code 619; including MODAPS, MODIS Rapid Response, and the Suomi-NPP and JPSS missions. The article also mentioned Román's recent work using the Suomi-NPP VIIRS Day/Night Band in Global Land Change Science and Applications.
M. Román was interviewed on a national broadcast of “Zona Política con Helen Aguirre Ferre” on Univision America Radio (http://tinyurl.com/keb6v4s). The live interview on June 13, 2014 focused on impacts of climate change in Latin America and the Caribbean.
M. Román "CEOS Working Group on Cal/Val Land Product Validation (LPV) Sub Group: Essential Climate Variables and the Sustainable Land Imaging Program”. 4th Annual HyspIRI Product Symposium, June 4-5. The HyspIRI Symposium included 42 talks, 6 posters, and 2 demonstration sessions on the HyspIRI Mission and new approaches and potential products for land and coastal imaging (http://hyspiri.jpl.nasa.gov).
M. Román was interviewed on ABC7 (WJLA) by Capital Insider’s Morris Jones. The interview, released on May 29, 2014 (link: http://wj.la/1hku6uh), focused on the use of Suomi-NPP data and products in satellite research and policy.
M. Román was interviewed on a live broadcast on Federal News Radio conducted by Federal Drive’s Tom Temin and Emily Kopp. The broadcast, conducted on May 19, 2014, focused on innovative techniques, using data from Suomi-NPP, in a variety of global land change science and applications (Radio podcast).
M. Román was interviewed by the Washington Post's Joe Davidson for a news article focusing on Public Service Recognition Week (URL: http://goo.gl/1AGV85).
M. Román attended the STAR JPSS Annual Meeting at the NOAA Center for Weather and Climate Prediction (NCWCP) in College Park, Maryland. The goals for the meeting were to present the accomplishments of the JPSS program over the past year and to highlight the transitions in algorithms, management, and the algorithm change process that are planned as NASA and NOAA advance towards the launch of JPSS-1. Román co-chaired the VIIRS Land Products breakout session, and gave a talk entitled: "An Overview of Innovative Approaches using Suomi-NPP Data for Global Land Change Science and Applications" during the closing plenary session.
M. Román attended the Global Vegetation Monitoring and Modeling International Conference (GV2M) in Avignon, France, February 3-7, 2014. The primary goal of this meeting was to bring researchers together to discuss new developments in the use of remote sensing observations and Earth system modeling with emphasis on applications related to water, carbon and nitrogen cycles, climate processes and change, agriculture and forest monitoring over large spatial domains using possibly long time series of satellite observations. Román presented a plenary talk entitled: "Assessment of Satellite-Derived Terrestrial Essential Climate Variables: An Overview of the Land Product Validation (LPV) sub-group of the CEOS Working Group on Calibration and Validation (WGCV)."
M. Román attended the ESA/ESRIN Land Product Validation and Evolution Workshop in Frascati Italy (Jan 28-30, 2014). The primary goal of this workshop was to foster continued coordination between scientists, national space agencies, national research programmes, and ESA with respect to global land product algorithm development and calibration/validation activities. Román presented a talk entitled: "Land, Cryosphere, and Nighttime Environmental Products from Suomi NPP VIIRS: Overview and Status". Following the ESA/ESRIN workshop, the Land Product Validation Subgroup of the CEOS Working Group on Calibration and Validation convened their 2nd subgroup leads workshop at ESA/ESRIN (Jan 30-31, 2014). During this workshop, Román (LPV co-chair) led the discussion panel on exchange on validation methods used for Land Essential Climate Variables (ECVs).
M. Román attended the Fall Meeting of the American Geophysical Union and presented the following poster: Román, M. (NASA/619), J. Nickeson (Sigma/619), G. Schaepman-Strub (U. Zurich), "Assessment of Satellite-Derived Essential Climate Variables in the Terrestrial Domain: An Overview of the CEOS LPV Subgroup". Román also presented a talk entitled: "Land and Cryosphere Products from Suomi NPP VIIRS: Overview and Status", coauthors (various institutions): C. Justice; I. Csiszar; L. Giglio; W. Schroeder; J. Coen; E. Vermote; R. Wolfe; S. Hook; M. Friedl; C. Schaaf; T. Miura; M. Vargas, M. Tschudi; G. Riggs; D. Hall; A. Lyapustin; R. Myneni; S. Devadiga; C. Davidson; E. Masuoka.
M. Román presented an invited seminar entitled “Land, Cryosphere, and Nighttime Environmental Monitoring Capabilities from Suomi NPP VIIRS” at George Mason University’s (GMU) Earth System & Geoinformation Sciences Colloquium, September 11, 2013. Román also met with GMU colleagues, Drs. Donglian Sun and Wei Zheng, to discuss progress of their NASA Earth Science Applications funded project entitled “Multi-sensor Approach for Analysis and Mapping of Hurricane Flooding using Suomi-NPP”.
M. Román served as distinguished speaker for the 10th anniversary celebration of PROMISE: Maryland’s Alliance for Graduate Education and the Professoriate (AGEP), celebrated at the University of Maryland Baltimore SMC Campus Center. PROMISE: Maryland’s AGEP is an alliance of UMBC, the University of Maryland College Park, and the University of Maryland Baltimore (UMB, the Founding Campus), dedicated to the increasing the number and diversity of Ph.D. graduates in the sciences and engineering who go on to academic careers. AGEP is a program of the National Science Foundation.
M. Román attended the 36th CEOS Working Group on Calibration and Validation Plenary (WGCV-36) in Shanghai, China, May 13-17, 2013. The ultimate goal of the WGCV is to ensure long-term confidence in the accuracy and quality of Earth observation data and products through (1) sensor-specific calibration and validation and (2) geophysical parameter and derived-product validation. The WGCV-36 plenary provided a forum for the exchange of information on calibration and validation and international cooperative activities between CEOS member agencies. Román presented a status report on the CEOS-WGCV Land Product Validation (LPV) sub-group (http://lpvs.gsfc.nasa.gov/) of which he now serves as vice-chair. Román also presented the NASA agency report. Xiong, who is an standing member of the Infrared and Visible Optical Sensors Subgroup of WGCV (http://ceoswgcv-ivos.org/), presented a status report on the MODIS (Terra/Aqua) and VIIRS (Suomi-NPP) on-orbit calibration.
M. Román attended the Suomi NPP (S-NPP) Science Status Review Meeting and VIIRS Calibration workshop. The primary focus of the meeting was on evaluations of the S-NPP products and progress reports with an emphasis on the major findings and results to date for each activity, and the implications for proposing the next steps for NASA use of S-NPP data.
M. Román was interviewed on a live national broadcast on Univision Radio conducted by Dr. Isabel Gomez-Bassols. The one hour broadcast, conducted on October 16, 2012, focused on Earth Science careers as well as a discussion on NASA's Earth Science projects and research activities (Radio podcast).
M. Román, "The Suomi National Polar Orbiting Partnership (NPP) Day/Night Visible Sensor: Unleashing A New Era of Nighttime Remote Sensing Applications." Yale School of Forestry and Environmental Studies, 1 October, 2012, in New Haven, CT.
M. Román, "Assessing Satellite-Based Estimates of Surface Reflectance Anisotropy (BRDF) and Albedo Under Conditions of Rapid Surface Change." University of Massachusetts Boston Environmental, Coastal and Ocean Sciences Graduate Department Seminar Series, 24 September, 2012, in Boston, MA.
M. Román, Ivan Csiszar, Chris Justice, Jeffrey Key, Jeff Privette, Sadashiva Devadiga, Carol Davidson, Robert E. Wolfe, and Edward J. Masuoka "Status of the Suomi NPP Visible/Infrared Imager Radiometer Suite’s (VIIRS) Land Environmental Data Records (EDRs) after Early Evaluation of On-orbit Performance."IEEE Geoscience and Remote Sensing Symposium (IGARSS'12), 22-27 July, 2012, in Munich, Germany.
M. Román, "Use of In-Situ and Airborne Multiangle Data to Assess MODIS, VIIRS, and Landsat-based Estimates of Directional Reflectance And Albedo." 12th Science and Review Workshop of the World Climate Research Programme (WCRP) Global Energy and Water Cycle Experiment (GEWEX) and Global Climate Observing System (GCOS) Baseline Surface Radiation Network (BSRN) in Potsdam, Germany on 2 August, 2012.
M. Román, "Evaluation and Validation of Global Land Surface Products Derived from NASA and CNES Satellite Sensors." Laboratoire d'Optique Atmosphérique, Université des Sciences et Technologies de Lille, Villeneuve d'Ascq, France on 30 July, 2012.
M. Román, "Evaluation and validation of global land surface products derived from Landsat, MODIS, and VIIRS." NASA-GSFC Climate & Radiation Laboratory seminar, Feb 01, 2012, in Greenbelt, MD.
M. Román, "Pre-launch evaluation of the NPP VIIRS Land and Cryosphere EDRs to meet NASA's science requirements." IEEE Geoscience and Remote Sensing Symposium (IGARSS'11), 24-29 July, 2011, in Vancouver, BC.
M. Román, “Overview of NASA Earth System Science.” South Dakota School of Mines and Technology (SDSMT) Open House, October 17, 2011, held at the NASA-GSFC Visitor Center in Greenbelt, MD.
M. Román and J. Nightingale, "CEOS-WGCV Land Product Validation Sub-Group Activities: Current and Potential Roles in Future Decadal Survey Missions” and poster entitled: “The Role of Scale and Spatial Heterogeneity in Retrieval of BRDF/Albedo Products.” HyspIRI Symposium, 17-18 May, 2011, held at the NASA-GSFC Visitor Center in Greenbelt, MD.
M. Román, “Roles and Responsibilities of NASA Earth System Scientists.” Explore@NASA Goddard open house event: Greatness@Goddard Session, May 14, 2011, in Greenbelt, MD.
Z. Wang, C. Schaaf, and M. Román, “Geostatistical Analysis of AmeriFlux Validation Sites for Assessment of Moderate Resolution Satellite-Derived Albedo Products.” AmeriFlux Science Meeting & 3rd NACP All-Investigators Meeting, January 31-February 4, 2011 in New Orleans, Louisiana.
M. Román, “Characterization of Surface Directional Reflectance Properties over the SGP Site from Airborne Measurements and Surface Observations.” IEEE Geoscience and Remote Sensing Symposium (IGARSS’10), July 25-30, 2010 in Honolulu, HI.
M. Román, “Characterization of Surface Directional Reflectance Properties from Airborne Angular Reflectance Measurements to Improve the Accuracy and Consistency of Long-Term Data Records.” 32nd Review of Atmospheric Transmission Models Meeting, 14-15 June 2010, held at the National Heritage Museum in Lexington, Massachusetts.
M. Román, “Use of In-Situ and Airborne Data to Assess Satellite Estimates of Directional Surface Reflectance and Albedo.” NOAA-NESDIS STAR Science Forum, Nov. 3, 2009, in Camp Springs, MD.
February, 2014: Global Leaf Area Index Product Validation Good Practices
January, 2014: Observations of Bioluminescence in Arctic and Antarctic Regions from VIIRS Nighttime Visible Data during the Polar Winter
August, 2013: Land and cryosphere products from Suomi NPP VIIRS: Overview and Status
January, 2013: Use of in situ and airborne multiangle data to assess MODIS- and Landsat-based estimates of directional reflectance and albedo
June, 2012: Detection of Light Outages using the VIIRS Day/Night Band: An Early Case Study on the D.C. Derecho Storm
March, 2012: Intercomparison of MODIS Albedo Retrievals and In-Situ Measurements across the Global FLUXNET Network
February, 2012: Software Tools for Data Manipulation, Visualization, and Analysis of Suomi-VIIRS Land and Cryosphere Products
November, 2011: Evaluation of MODIS snow albedo product (MDC43) over tundra
June, 2011: Variability in the BRDF at different spatial scales over a mixed agricultural landscape as retrieved from airborne and satellite spectral measurements
March, 2011: Monitoring savanna dynamics using the MODIS BRDF/albedo product
May, 2010: NASA’s Cloud Absorption Radiometer (CAR): Understanding surface bidirectional reflectance variability at sub-pixel scales
March, 2010: Characterization of surface directional reflectance properties at the Chesapeake Bay Watershed (CBW)
February, 2010: Assessing the coupling between surface albedo derived from MODIS and the fraction of diffuse skylight over NSA-Barrow
Education and Outreach
Gatebe, C. K., Ichoku, C. M., Poudyal, R. , Román, M.O., and Wilcox, E. (2014): Surface Albedo Darkening from Wildfires in Northern Sub-Saharan Africa, Environmental Research Letters., 9, doi:10.1088/1748-9326/9/6/065003.
Wang, Z., Schaaf, C.B., Strahler, A.H., Chopping, M.J., Román, M.O., Shuai, Y., Woodcock, C.E., Hollinger, D.Y., & Fitzjarrald, D.R. (2014). Evaluation of MODIS albedo product (MCD43A) over grassland, agriculture and forest surface types during dormant and snow-covered periods. Remote Sensing of Environment, 140, 60-77, doi:10.1016/j.rse.2013.08.025.
Justice, C.O., Román, M.O., Csiszar, I., Vermote, E., Wolfe, R., Hook, S.J., Friedl, M., Wang, Z., Schaaf, C., Miura, T., Tschudi, M., Riggs, G., Hall, D.K., Lyapustin, A., Devadiga, S., Davidson, C., & Masuoka, E. (2013). Land and Cryosphere Products from Suomi NPP VIIRS: Overview and Status. Journal of Geophysical Research-Atmospheres, 118, 1-13, doi:10.1002/jgrd.50771.
Gatebe, C., Ichoku C., Poudyal R., M.O. Román, and Wilcox E. (2014). Surface Albedo Darkening from Wildfires in Northern Sub-Saharan Africa Environmental Research Letters, 9.
Wang, Z., Schaaf C., Strahler A., Chopping M., M.O. Román, Shuai Y., Woodcock C., Hollinger D., and Fitzjarrald D. (2014). Evaluation of MODIS albedo product (MCD43A) over grassland, agriculture and forest surface types during dormant and snow-covered periods Remote Sensing of Environment, 14, 60-77
F. Zhao, X. Yang, A. H. Strahler, C. B. Schaaf, T. Yao, Z. Wang, M.O. Román, C. E. Woodcock, W. Ni-Meister, D.L.B. Jupp, J. L. Lovell, D. S. Culvenor, G. J. Newnham, H. Tang, and R. O. Dubayah (2013). A comparison of foliage profiles in the Sierra National Forest obtained with a full-waveform under-canopy EVI lidar system with the foliage profiles obtained with an airborne full-waveform LVIS lidar system Remote Sensing of Environment, 136, 330–341
Román, M.O., Gatebe, C.K., Shuai, Y., Wang, Z., Gao, F., J. Masek, He, T., Liang, S., and Schaaf, C.B. (2013). Use of in situ and airborne multiangle data to assess MODIS- and Landsat-based estimates of directional reflectance and surface albedo IEEE Transactions on Geoscience and Remote Sensing.
Alessandro Cescatti, Barbara Marcolla, Suresh K. Santhana Vannan, Jerry Yun Pan, M.O. Román, Xiaoyuan Yang, Philippe Ciais, Robert B. Cook, Beverly E. Law, Giorgio Matteucci, Mirco Migliavacca, Eddy Moors, Andrew D. Richardson, Günther Seufert, and Crystal B. Schaaf (2012). Intercomparison of MODIS albedo retrievals and in situ measurements across the global FLUXNET network Remote Sensing of Environment, 121, 323–334
Fatoyinbo Agueh, T.E., Rincon, Rafael, Harding, David, Gatebe, Charles, J. Ranson, G. Sun, Dabney, Phillip, and M.O. Román (2012). The 2011 Eco3D Flight Campaign: Vegetation Structure and Biomass Estimation from Simultaneous SAR, Lidar and Radiometer Measurements IEEE Geoscience and Remote Sensing Symposium (IGARSS) 2012
Román, M.O., Csiszar, I, Justice, C, , Key, J., Privette, J., Devadiga, S., Davidson, C., R.E. Wolfe, and E.J. Masuoka (2012). Status of the Suomi NPP Visible/Infrared Imager Radiometer Suite's (VIITS) Land Environmental Data Redords (EDRs) After Early Evaluation of On-Orbit Performance IEEE International Geoscience and Remote Sensing Symposium, 1084-1087
Zhuosen Wang, Crystal B. Schaaf, Mark J. Chopping, Alan H. Strahler, Jindi Wang, M.O. Román, Adrian V. Rocha, Curtis E. Woodcock, and Yanmin Shuai (2012). Evaluation of Moderate-resolution Imaging Spectroradiometer (MODIS) snow albedo product (MCD43A) over tundra Remote Sensing of Environment, 117, 264–280
Hill, M. J., M.O. Román, Schaaf C. B., Hutley L., Brannstrom C., Etter A., and Hanan N. P. (2011). Characterizing vegetation cover in global savannas with an annual foliage clumping index derived from the MODIS BRDF product Remote Sensing of Environment, 115, 2008-2024
Hill, M. J., M.O. Román, and C. B. Schaaf (2011). Dynamics of vegetation indices in tropical and subtropical savannas defined by ecoregions and Moderate Resolution Imaging Spectroradiometer (MODIS) land cover Geocarto International, 1-39
Román, M.O., C. K. Gatebe, C. Schaaf, R. Poudyal, Z. Wang, and M. D. King (2011). Variability in surface BRDF at different spatial scales (30 m–500 m) over a mixed agricultural landscape as retrieved from airborne and satellite spectral measurements Remote Sensing of Environment, 115, 2184-2203
Román, M.O., Justice, C., Csiszar, I., Key, J. R., Devadiga, S., Davidson, C., R.E. Wolfe, and Privette, J. (2011). Pre-Launch evaluation of the NPP VIIRS Land and Cryosphere EDRs to meet NASA's science requirements Geoscience and Remote Sensing Symposium (IGARSS), 2011 IEEE International , 154-157
Román, M.O., Justice, C., Csiszar, I., Key, J>R., Devadiga, S., Davidson, C., R.E. Wolfe, and Privette, J. (2011). Pre-launch evaluation of the NPP VIIRS Land and Cryosphere EDRs to meet NASA's science requirements Geoscience and Remote Sensing Symposium (IGARSS), 2011 IEEE International
Román, M.O., Gatebe, C., Schaff, C., Poudyal, R., Wang, Z., and King, M. (2011). Variability in surface BRDF at different spatial scales (30 m-500 m) over a mixed agricultural landscape as retrieved from airborne and satellite spectral measurements Remote Sensing of Environment, 115(9), 2184–2203
Zhao, F., Yang, X., Schull, M. A., M.O. Román, Yao, T., Wang, Z., Q. Zhang, Jupp, D. L. B., Lovell, J. l., Culvenor, D.s., Newnham, G. J., Richardson, A. D., W. Ni-Meister, Schaaf, C. B., Woodcock, C. E., and Strahler, A. H. (2011). Measuring effective leaf area index, foliage profile, and stand height in New England forest stands using a full-waveform ground-based lidar Remote Sensing of Environment, 115(11), 2954-2964
Hill, Michael J., M.O. Román, and Crystal B. Schaaf (2010). Biogeography, Ecology andDynamics of Global Savanna: A Geospatial View. In Ecosystems Function in Savannas. M.J. Hill and N.P. Hanan (Ed.). Ecosystem Function in Savannas: Measurement and Modeling at Landscape to Global Scales: CRC Taylor and Francis.
Román, M.O., C.B. Schaaf, P. Lewis, F. Gao, G.P. Anderson, J.L. Privette, A.H. Strahler, C.E. Woodcock, and M. Barnsley (2010). Assessing the Coupling between Surface Albedo derived from MODIS and the Fraction of Diffuse Skylight over Spatially-Characterized Landscapes Remote Sens. Environ., 114, 738-760
Lewis, P.E., G.P. Anderson, S.S. Shen, J. Chetwynd, M.O. Román, C.B. Schaaf, D.D. Turner, D.A. Rutan, A. Berk, D.P. Miller, and R. Kroutil (2009). MODTRAN5 analysis of clear-sky, co-located space- and ground-based infrared atmospheric measurements: AERI, AIRS, CERES, MODIS. Proc. SPIE, 7334(733410)
Liu, J., C.B. Schaaf, A.H. Strahler, Z. Jiao, Y. Shuai, Q. Zhang, M.O. Román, J.A. Augustine, and E.G. Dutton (2009). Validation of Moderate Resolution Imaging Spectroradiometer (MODIS) albedo retrieval algorithm: Dependence of albedo on solar zenith angle J. Geophys. Res., 114(D01106).
Román, M.O., C.B. Schaaf, C.E. Woodcock, A.H. Strahler, X. Yang, R.H. Braswell, P.S. Curtis, K.J. Davis, D. Dragoni, L. Gu, M.L. Goulden, D.Y. Hollinger, T.E. Kolb, T.P. Meyers, J.W. Munger, J.L. Privette, A.D. Richardson, T.B. Wilson, and S.C. Wofsy (2009). The MODIS (Collection V005) BRDF/albedo product: Assessment of spatial representativeness over forested landscapes Remote Sensing of Environment, 113, 2476-2498
Rutan, D., F. Rose, M.O. Román, N. Manalo-Smith, C. Schaaf, and T. Charlock (2009). Development and assessment of broadband surface albedo from Clouds and the Earth's Radiant Energy System Clouds and Radiation Swath data product J. Geophys. Res., 114(D08125).
Anderson, G.P., C.B. Schaaf, K. Loukachine, R.S. Stone, E. Andrews, E.P. Shettle, E.G. Dutton, M.O. Román, A. Stohl, and A. Berk (2008). Assessing the radiative impact of aerosol smoke using MODTRAN5. Proc. SPIE, 6966(696617).
Coddington, O., K.S. Schmidt, P. Pilewskie, W.J. Gore, R.W. Bergstrom, M.O. Román, J. Redemann, P.B. Russell, J. Liu, and C.C. Schaaf (2008). Aircraft measurements of spectral surface albedo and its consistency with ground-based and space-borne observations J. Geophys. Res., 113(D14S16).
Knobelspiesse, K.D., B. Cairns, B. Schmid, M.O. Román, and C.B. Schaaf (2008). Surface BRDF estimation from an aircraft compared to MODIS and ground estimates at the Southern Great Plains site J. Geophys. Res., 113(D20105).
Stone, R.S., G.P. Anderson, E.P. Shettle, E. Andrews, K. Loukachine, E.G. Dutton, C. Schaaf, and M.O. Román (2008). Radiative impact of boreal smoke in the Arctic: Observed and modeled J. Geophys. Res., 113(D14S16).