Ghassem Asrar
#99,848
Most Influential Person Now
NASA administrator
Ghassem Asrar's AcademicInfluence.com Rankings
Ghassem Asrarearth-sciences Degrees
Earth Sciences
#1890
World Rank
#2626
Historical Rank
Meteorology
#170
World Rank
#229
Historical Rank

Download Badge
Earth Sciences
Why Is Ghassem Asrar Influential?
(Suggest an Edit or Addition)According to Wikipedia, Ghassem R. Asrar is an Iranian-American scientist in the field of Earth and space science. Since November 2019 he has served as the Senior Vice President for Science at the Universities Space Research Association.
Ghassem Asrar's Published Works
Number of citations in a given year to any of this author's works
Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author
Published Works
- Addressing climate information needs at the regional level: the CORDEX framework (2009) (1580)
- Estimating Absorbed Photosynthetic Radiation and Leaf Area Index from Spectral Reflectance in Wheat1 (1984) (1285)
- Precipitation Climatology in an Ensemble of CORDEX-Africa Regional Climate Simulations (2012) (568)
- Theory and applications of optical remote sensing. (1989) (534)
- The First ISLSCP Field Experiment (FIFE) (1988) (505)
- A review on the theory of photon transport in leaf canopies (1989) (380)
- Interannual variations in satellite-sensed vegetation index data from 1981 to 1991 (1998) (285)
- Can Paris pledges avert severe climate change? (2015) (276)
- Spatial heterogeneity in vegetation canopies and remote sensing of absorbed photosynthetically active radiation: A modeling study (1992) (267)
- Intercepted photosynthetically active radiation estimated by spectral reflectance (1984) (262)
- A global map of urban extent from nightlights (2015) (245)
- The surface urban heat island response to urban expansion: A panel analysis for the conterminous United States. (2017) (187)
- International Global Precipitation Measurement (GPM) Program and Mission: An Overview (2007) (162)
- A global record of annual urban dynamics (1992–2013) from nighttime lights (2018) (158)
- Atmospheric effects and spectral vegetation indices (1994) (153)
- Estimates of leaf area index from spectral reflectance of wheat under different cultural practices and solar angle (1985) (151)
- Estimation of plant-canopy attributes from spectral reflectance measurements (1989) (136)
- GCAM v5.1: representing the linkages between energy, water, land, climate, and economic systems (2019) (132)
- Multiscale Convective Organization and the YOTC Virtual Global Field Campaign (2012) (130)
- Assessing the interception of photosynthetically active radiation in winter wheat (1983) (126)
- Modeling Sustainability: Population, Inequality, Consumption, and Bidirectional Coupling of the Earth and Human Systems. (2016) (121)
- An Agenda for Land-Surface Hydrology Research and a Call for the Second International Hydrological Decade (2013) (113)
- Revised methane emissions factors and spatially distributed annual carbon fluxes for global livestock (2017) (109)
- Leaf-area estimates from spectral measurements over various planting dates of wheat (1985) (109)
- Response of vegetation phenology to urbanization in the conterminous United States (2017) (109)
- Evaluating atmospheric correction models for retrieving surface temperatures from the AVHRR over a tallgrass prairie (1989) (105)
- Climate Science for Serving Society: Research, Modeling and Prediction Priorities (2013) (104)
- Assessing grassland biophysical characteristics from spectral measurements (1986) (98)
- Radiative transfer in three dimensional leaf canopies (1990) (97)
- Results from the Push Broom Microwave Radiometer flights over the Konza Prairie in 1985 (1988) (93)
- An Earth-system prediction initiative for the twenty-first century (2010) (88)
- Estimation of total above-ground phytomass production using remotely sensed data (1985) (82)
- Challenges and Opportunities in Water Cycle Research: WCRP Contributions (2014) (81)
- Developing a common strategy for integrative global environmental change research and outreach: the Earth System Science Partnership (ESSP) Strategy paper (2009) (79)
- Creating a seamless 1 km resolution daily land surface temperature dataset for urban and surrounding areas in the conterminous United States (2018) (76)
- EOS : science strategy for the Earth Observing System (1994) (76)
- A biophysical process-based estimate of global land surface evaporation using satellite and ancillary data II. Regional and global patterns of seasonal and annual variations (1998) (74)
- The contribution of Paris to limit global warming to 2 °C (2015) (73)
- Testimony of Dr (2002) (71)
- Radiative transfer in three-dimensional atmosphere-vegetation media (1993) (70)
- Remote sensing of solar radiation absorbed and reflected by vegetated land surfaces (1992) (69)
- Potential gross primary productivity of terrestrial vegetation from 1982 - 1990 (1995) (67)
- Measuring and modeling spectral characteristics of a tallgrass prairie (1989) (67)
- Light Interception and Leaf Area Estimates from Measurements of Grass Canopy Reflectance (1986) (66)
- Synergy between land use and climate change increases future fire risk in Amazon forests (2017) (65)
- Distinguishing among tallgrass prairie cover types from measurements of multispectral reflectance (1986) (60)
- Projecting Global Urban Area Growth Through 2100 Based on Historical Time Series Data and Future Shared Socioeconomic Pathways (2019) (57)
- Optical vegetation indices for monitoring terrestrial ecosystems globally (2022) (57)
- Global and Regional Variability and Change in Terrestrial Ecosystems Net Primary Production and NDVI: A Model-Data Comparison (2016) (55)
- Remote sensing of vegetation canopy photosynthetic and stomatal conductance efficiencies (1992) (53)
- The Role of Climate Covariability on Crop Yields in the Conterminous United States (2016) (51)
- GCAM v5.1: Representing the linkages between energy, water, land, climate, and economic systems (2018) (50)
- Developing a 1 km resolution daily air temperature dataset for urban and surrounding areas in the conterminous United States (2018) (50)
- Regional contribution to variability and trends of global gross primary productivity (2017) (50)
- Emergence of new hydrologic regimes of surface water resources in the conterminous United States under future warming (2016) (44)
- Radiative transfer in an anisotropically scattering vegetative medium (1987) (43)
- Leaf area estimates from measurements of photosynthetically active radiation in wheat canopies (1984) (42)
- Assessing solar energy and water use efficiencies in winter wheat: A case study (1982) (39)
- A dataset of 30 m annual vegetation phenology indicators (1985–2015) in urban areas of the conterminous United States (2019) (38)
- Characterizing spatiotemporal dynamics in phenology of urban ecosystems based on Landsat data. (2017) (38)
- Benchmarking carbon fluxes of the ISIMIP2a biome models (2017) (36)
- Comparing the Performance of Three Land Models in Global C Cycle Simulations: A Detailed Structural Analysis (2017) (33)
- Observation and integrated Earth-system science: A roadmap for 2016–2025 (2016) (33)
- Divergent predictions of carbon storage between two global land models: Attribution of the causes through traceability analysis (2015) (33)
- C-band scatterometer measurements of a tallgrass prairie (1989) (33)
- Light scattering in plant canopies: The method of Successive Orders of Scattering Approximations (SOSA) (1987) (33)
- Photon transport in vegetation canopies with anisotropic scattering Part IV. Discrete-ordinates/exact-kernel technique for two-angle photon transport in slab geometry (1988) (32)
- A theoretically-based normalization of environmental effects on foliage temperature (1985) (32)
- Estimating hourly land surface downward shortwave and photosynthetically active radiation from DSCOVR/EPIC observations (2019) (32)
- Climate science and services: Providing climate information for adaptation, sustainable development and risk management (2012) (31)
- A Need for “Actionable” Climate Science and Information: Summary of WCRP Open Science Conference (2013) (29)
- Discrete Ordinates Method for Photon Transport in Leaf Canopies (1991) (29)
- Photon transport in vegetation canopies with anisotropic scattering Part I. Scattering phase functions in one angle (1988) (28)
- Canopy architecture, irradiance distribution on leaf surfaces and consequent photosynthetic efficiencies in heterogeneous plant canopies. Part 1. Theoretical considerations☆ (1986) (27)
- Analysis of seasonal multispectral reflectances of small grains (1984) (27)
- MTPE EOS Reference Handbook (1995) (27)
- NASA Research Strategy for Earth System Science: Climate Component (2001) (27)
- Monitoring and Modeling the Rapid Evolution of Earth's Newest Volcanic Island: Hunga Tonga Hunga Ha'apai (Tonga) Using High Spatial Resolution Satellite Observations (2018) (26)
- Estimation of canopy water content in Konza Prairie grasslands using synthetic aperture radar measurements during FIFE (1995) (26)
- Canopy architecture, irradiance distribution on leaf surfaces and consequent photosynthetic efficiencies in heterogeneous plant canopies. Part II. Results and discussion (1986) (24)
- Simulating county‐level crop yields in the Conterminous United States using the Community Land Model: The effects of optimizing irrigation and fertilization (2016) (24)
- Role of CO<sub>2</sub>, climate and land use in regulating the seasonal amplitude increase of carbon fluxes in terrestrial ecosystems: a multimodel analysis (2016) (23)
- Potential of hotspot solar‐induced chlorophyll fluorescence for better tracking terrestrial photosynthesis (2021) (22)
- Radiative surface temperatures of the burned and unburned areas in a tallgrass prairie (1988) (20)
- Estimating Thermal Diffusivity Near the Soil Surface Using Laplace Transform: Uniform Initial Conditions (1983) (19)
- Characterizing the relationship between satellite phenology and pollen season: A case study of birch (2019) (19)
- Enhancing SWAT simulation of forest ecosystems for water resource assessment: A case study in the St. Croix River basin (2018) (18)
- Supplementary material to "A global seamless 1 km resolution daily land surface temperature dataset (2003–2020)" (2021) (18)
- Application of Remotely Sensed Data in Wheat Growth Modelling (1985) (17)
- Advancing a toolkit of diverse futures approaches for global environmental assessments (2021) (17)
- Simulation Of Space Measurements Of Vegetation Canopy Bidirectional Reflectance Factors (1992) (17)
- Practical approaches for normalizing directional solar-induced fluorescence to a standard viewing geometry (2021) (16)
- An algorithmic calibration approach to identify globally optimal parameters for constraining the DayCent model (2015) (16)
- DSCOVR/EPIC-derived global hourly and daily downward shortwave and photosynthetically active radiation data at 0.1° × 0.1° resolution (2020) (16)
- An Analysis of Terrestrial and Aquatic Environmental Controls of Riverine Dissolved Organic Carbon in the Conterminous United States (2017) (15)
- Photon interaction cross sections for aggregations of finite-dimensional leaves (1991) (15)
- Spatial patterns and environmental controls of particulate organic carbon in surface waters in the conterminous United States. (2016) (15)
- Data and information system for mission to planet earth (1995) (14)
- Future Earth Initial Design (2013) (14)
- Estimating surface carbon fluxes based on a local ensemble transform Kalman filter with a short assimilation window and a long observation window: an observing system simulation experiment test in GEOS-Chem 10.1 (2017) (14)
- Estimation of whole-plant biomass and grain yield from spectral reflectance of cereals (1986) (14)
- An Earth-system Prediction Initiative for the 21 st Century (2010) (14)
- Intercepted photosynthetically active radiation in wheat canopies estimated by spectral reflectance. [Phoenix, Arizona] (1982) (13)
- Remote sensing techniques for assessing water deficits and modeling crop response (1985) (13)
- Association Between Changes in Timing of Spring Onset and Asthma Hospitalization in Maryland (2020) (12)
- Grounding global environmental assessments through bottom-up futures based on local practices and perspectives (2021) (12)
- Climate change will pose challenges to water quality management in the st. Croix River basin. (2019) (12)
- Satellite Remote Sensing and Field Experiments (1990) (12)
- Correction to “Interannual variations in satellite‐sensed vegetation index data from 1981 to 1991” by R. B. Myneni et al. (1998) (12)
- Melting of Major Glaciers in Himalayas: Role of Desert Dust and Anthropogenic Aerosols (2011) (11)
- Mission to planet earth: Earth observing system (1992) (10)
- Spectral estimates of daily carbon dioxide exchange rates in wheat canopies. (1990) (10)
- 1993 Earth Observing System reference handbook (1993) (10)
- Exploring the Use of DSCOVR/EPIC Satellite Observations to Monitor Vegetation Phenology (2020) (10)
- Quantifying leaf optical properties with spectral invariants theory (2020) (9)
- Applications of Radiative Transfer Models for Remote Sensing of Vegetation Conditions and States (1991) (9)
- Adjusting solar-induced fluorescence to nadir-viewing provides a better proxy for GPP (2022) (9)
- Atmospheric effects in the remote sensing of surface albedo and radiation absorption by vegetation canopies (1993) (9)
- A new framework for integrated climate finance and inclusive responses to sustainable development in Malaysia (2016) (8)
- Automating a class a evaporation pan for semi-continuous recording (1981) (7)
- Finite element discrete ordinates method for radiative transfer in non-rotationally invariant scattering media: Application to the leaf canopy problem (1988) (7)
- Nonstationarity RC Workshop Report: Nonstationary Weather Patterns and Extreme Events Informing Design and Planning for Long-Lived Infrastructure (2017) (7)
- NASA's Earth System Science Pathfinder Program (2003) (7)
- Role of CO 2 , climate and land use in regulating the seasonal amplitude increase of carbon fluxes in terrestrial ecosystems: a multimodel analysis (2016) (7)
- Mission to planet earth (1994) (6)
- Reflectance of a soybean canopy using the method of successive orders of scattering approximations (SOSA) (1987) (6)
- Development with a difference: neo-disaster risk management for sustainable development (2013) (6)
- Improving the SWAT forest module for enhancing water resource projections: A case study in the St. Croix River basin (2018) (6)
- The first ISLSCP field experiment (FIFE). [International Satellite Land Surface Climatology Project (1988) (5)
- Artificial light at night: an underappreciated effect on phenology of deciduous woody plants (2022) (5)
- Managing Physical Climate Risk: Leveraging Innovations in Catastrophe Risk Modelling: Research Brief (2018) (5)
- Changing climate and demands for sustainable development (2011) (5)
- An overview of the results of the FIFE-87 and FIFE-89 campaigns (1991) (4)
- Optimum combinations of visible and near-infrared reflectances for estimating the fraction of photosynthetically available radiation absorbed by plants (1991) (4)
- Effect of Additives on the Performance of the Fire-Clay Refractory Bricks (2010) (4)
- Climate Symposium 2014: Findings and Recommendations (2015) (4)
- Advances in Quantitative Earth Remote Sensing: Past, Present and Future (2019) (4)
- Developing plans and priorities for climate science in service to society (2012) (4)
- Single scattering of parallel direct and axially symmetric diffuse solar radiation in vegetative canopies (1986) (4)
- Snow cover variability and trend over Hindu Kush Himalayan region using MODIS and SRTM data (2021) (4)
- Solution of an integral equation encountered in studies on radiative transfer in completely absorbing leaf canopies (1988) (4)
- Irrigation With Simulated Secondary Waste Water on Tiled Soil Cropped to Bromegrass and Corn 1 (1982) (4)
- Detection and attribution of long-term and fine-scale changes in spring phenology over urban areas: A case study in New York State (2022) (3)
- Beyond crystal balls: crosscutting solutions in global health to prepare for an unpredictable future (2015) (3)
- ACSYS: A Scientific Foundation for the Climate and Cryosphere (CliC) Project (2012) (3)
- A dataset of 30-meter annual vegetation phenology indicators (1985–2015) in urban areas of the conterminous United States (2019) (3)
- A pathway to decisions on earth's environment and natural resources (2004) (3)
- Report of the 4th World Climate Research Programme International Conference on Reanalyses (2012) (3)
- Gap-filling MODIS daily aerosol optical depth products by developing a spatiotemporal fitting algorithm (2022) (3)
- Climate Information for Coping with Environmental Change: Contributions of the World Climate Research Programme (2011) (3)
- ANALYSIS OF SPECTRAL DATA FOR COMPARING RANGELAND AND CULTURAL PRACTICES IN SOUTHERN ALBERTA (1988) (2)
- Erratum to: Editorial (2014) (2)
- Global health and natural disaster alerts: preparing mobile phones to endure the unthinkable (2014) (2)
- Eyes in the Sky Improve Pollen Tracking (2020) (2)
- Interdisciplinary research and retrospective satellite data analysis in studying the biosphere-atmosphere coupling (1990) (2)
- Estimating soil water evaporation using radar measurements (1988) (2)
- Improving the joint estimation of CO2 and surface carbon fluxes using a Constrained Ensemble Kalman Filter in COLA (v1.0) (2021) (2)
- Using model-data fusion to downscale solar-induced fluorescence data into a higher spatiotemporal resolution (2018) (2)
- Global Rangeland Primary Production and Its Consumption by Livestock in 2000-2010 (2021) (2)
- The World Climate Research Program Strategy and Priorities: Next Decade (2013) (1)
- Hyperspectral Environmental Suite (HES) formulation and implementation overview (2005) (1)
- Remote Sensing Of Land Processes: Sponsored Programs Of Study By The National Aeronautics And Space Administration (1988) (1)
- Managing Agricultural Ecosystems for Multiple Services in Changing Climates (2008) (1)
- Outlooks in GEO-6 (2019) (1)
- International Satellite Land Surface Climatology Project: the Retrospective Analysis Program (IRAP) (1990) (1)
- The State of Earth Science from Space: Past Progress, Future Prospects (1995) (1)
- Estimating regional evapotranspiration from remotely sensed data by surface energy balance models (1987) (1)
- Contributions of WMO Programs in Addressing Climate Change and Agriculture (2012) (0)
- Mission to Planet Earth: Past Progress and Future Prospects (1996) (0)
- Correction for Editorial (2013) (0)
- Spatial and Temporal Trends in terrestrial Ecosystems Net primary Production: A Model-Data Comparison (2015) (0)
- Multi-scale evaluation of ISIMIP biome models against NDVI and MODIS NPP data (2016) (0)
- Board of Associate Editors (2010) (0)
- Estimates of Global Rangeland Net Primary Productivity and its Consumption Based on Climate and Livestock Distribution Data (2016) (0)
- Changes in Timing of Spring Onset, Pollen Exposure, and Burden of Allergic Disease in the Northeastern United States (2021) (0)
- Assessment of the biophysical characteristics of rangeland community using scatterometer and optical measurements (1987) (0)
- Quantifying desert-fringe vegetation changes from satellite observations by inverting plant-element models (1995) (0)
- NASA Earth Science Enterprise Education (2002) (0)
- On the dust long range transport contribution to the dynamics of the biomass burning, and black cloud formation over the Nile Delta (2012) (0)
- In previous studies, desert-fringe vegetation densities were assessed in an ungrazed semi-and rangeland in Utah and in an animal exclosure in the arid Sinai. (2017) (0)
- Global Evaluation of Vegetation Carbon Residence Times as Simulated by ISI-IMP2 Global Vegetation Models (GVMs) Using a Data Product based on Satellite and Eddy Covariance Flux Measurements (2015) (0)
- The European Space Agency Earth Observation Envelope Programme Science Review Report 2011 (2011) (0)
- CMS: Global Carbon Fluxes Associated with Livestock Feed and Emissions, 2000-2013 (2017) (0)
- The NASA Earth System Science Program in 21st Century (2000) (0)
- NASA 1990 Multisensor Airborne Campaigns (MACs) for ecosystem and watershed studies (1991) (0)
- Altitude and data acquisition (1988) (0)
- Preface Special Issue: Jason-1 Calibration/Validation (2003) (0)
- Estimating Surface Carbon Fluxes Based on a Local Ensemble 1 Transform Kalman Filter with a Short Assimilation Window and a 2 Long Observation Window : an OSSE test in GEOS-Chem 10 . 1 (2019) (0)
- Developing Pollen Allergy Risk Maps from Remote Sensing Observations for Public Health Advisories and Warning (2017) (0)
- Remote Sensing Of Land Processes: Programs Of Study At Nasa Headquarters (1988) (0)
- Remote Sensing Science Program: A research program Within Land Processes Branch of NASA (1989) (0)
- High-resolution, regional-scale crop yield simulations for the Southwestern United States (2012) (0)
- Bowen Ratio Surface Flux: KSU (FIFE) (1994) (0)
- Use of multitemporal SPOT data in first ISLSCP field experiment (1991) (0)
- Challenges and Opportunities in Earth-Human Systems Research (2016) (0)
- Enhancing SWAT for simulating water, carbon and nutrient cycling along the terrestrial-aquatic continuum (2016) (0)
- Programme : achievements , activities and challenges by (2009) (0)
- TIMELINE / AGENDA The Second Annual Meeting of the Coordinated Energy and Water Cycle Observations Project (CEOP) (2008) (0)
- Satellite-based monitoring urban environmental change and its implications in the coupled human-nature system (2020) (0)
- Meeting the Regional Climate Information Needs of Decision Makers: The CORDEX Framework (2011) (0)
- Relative Contribution of Major Ecoregions to Inter-annual and Seasonal Variability of Terrestrial Ecosystems Gross Primary Productivity (2016) (0)
- HYPERSPECTRAL INFRARED SOUNDING FOR IMPROVING WEATHER PREDICTION ON MARS (2021) (0)
- Water Resources and Sustainable Agriculture in 21st Century: Challenges and Opportunities (2008) (0)
- Impact of dust storms and anthropogenic aerosols on the snow cover and glaciers of the Indo-Gangetic plains and Himalaya region (2011) (0)
- A Holistic Approach to Climate and Health Research: Respiratory and Infectious Diseases (2014) (0)
- John Edward ‘Jack’ Estes (2001) (0)
- Mission to Planet Earth : earth observing system : Earth observing system (EOS). I : Disciplinary reports (1992) (0)
- Changes in Timing of Spring Onset and Increased Risk of Asthma Hospitalization in Maryland: Harbinger of Climate Change (2020) (0)
- Revised spatially distributed global livestock emissions (2015) (0)
- Supplementary material to "A dataset of 30-meter annual vegetation phenology indicators (1985–2015) in urban areas of the conterminous United States" (2019) (0)
- Develop a high spatiotemporal resolution canopy-emitted solar-induced chlorophyll fluorescence dataset for better estimating ecosystems gross primary productivity (2018) (0)
- Recent advancements in the use of remote sensing observations to inform ground level pollen dynamics (2021) (0)
- Estimation of Global Surface Carbon Fluxes Using Advanced Data Assimilation (2016) (0)
- Earth system dynamics: The interrelation of atmospheric, ocean and solid earth dynamics (1993) (0)
- Multispectral remote sensing of biosphere-atmosphere processes (1995) (0)
- Combining FLUXNET data with atmospheric CO2 observations in a global data assimilation framework to study variability of carbon sources and sinks (2014) (0)
- Canopy Photosynthesis Rates (FIFE) (1994) (0)
- Global Cryosphere Watch: A New WMO Initiative (2008) (0)
This paper list is powered by the following services:
Other Resources About Ghassem Asrar
What Schools Are Affiliated With Ghassem Asrar?
Ghassem Asrar is affiliated with the following schools: