Category: Ranga Myneni
Earth & Environment Professor Yuri Knjazihhin was awarded a new NASA Grant titled “Earth System Data Records of Global Vegetation Index, Fraction of Absorbed PAR, Leaf Area and its Sunlit Fraction from DSCOVR data” under the NASA DSCOVR Earth Science Algorithms Program.
The objective of this three year proposal is to develop Earth System Data Records of global Fraction vegetation absorbed Photosynthetically Active Radiation (FPAR), Leaf Area Index (LAI) and its sunlit fraction (SLAI), and Normalized Difference Vegetation Index (NDVI) from the Earth Polychromatic Imaging Camera (EPIC) data.
A special emphasis will be given to achieving consistency and complementarity between DSCOVR EPIC and existing NASA land surface products.
Earth & Environment Professor Ranga Myneni is co-investigator.
Earth & Environment Professor Ranga Myneni recently co-authored three new articles:
- Ciais et al., 2014. Current systematic carbon-cycle observations and the need for implementing a policy-relevant carbon observing system, Biogeosciences, 11: 3547-3602 (doi:10.5194/bg-11-3547-2014).
- Van Oijen et al., 2014. Impact of droughts on the C-cycle in European Vegetation: a probabilistic risk analysis using six vegetation models, Biogeosciences Discussion, doi:10.5194/bgd-11-8325-2014.
- Yan et al., 2014. Development of a remotely sensing seasonal vegetation-based Palmer Drought Severity Index and its application of global drought monitoring, JGR-Atmospheres, doi: 10.1002/2014JD021673.
Earth & Environment PhD student Taejin Park published an article in the journal Remote Sensing. The article is titled “Application of physically-based slope correction for maximum forest canopy height estimation using waveform lidar across different footprint sizes and locations: Tests on LVIS and GLAS.” The article can be downloaded from http://www.mdpi.com/2072-4292/6/7/6566
Earth & Environment Professor Ranga Myneni was awarded a new NASA Grant titled “Global LAI-FPAR Earth System Data Records from Suomi VIIRS to Extend the EOS MODIS Time Series” under the NASA Suomi VIIRS Science Team Program. The objective of this three year grant is to provide and maintain the algorithm for operational production of global LAI/FPAR science data records by the NASA Suomi NPP Land SIPS from Suomi VIIRS data and to evaluate these products to assure continuity with the EOS MODIS product time series. A list of Myneni’s grants can be found at http://sites.bu.edu/cliveg/projects/active-projects/
In creating the list, Thomson-Reuters collected data on articles indexed in the Web of Science Core Collection from 2002 to 2012, selecting only articles that were labeled as Highly Cited Papers. As their website explains, “Highly Cited Papers are defined as those that rank in the top 1% by citations for field and year indexed in the Web of Science.” This process, they claim, eliminated “the citation disadvantage of recently published papers relative to older ones, since papers are weighted against others in the same annual cohort.”
Researchers were then selected and ranked based on the number of ”citations to his or her Highly Cited Papers to rank in the top 1% by total citations in the ESI field in which they were considered.” The Essential Science Indicators, or ESI, fields are “21 broad fields defined by sets of journals and exceptionally, in the case of multidisciplinary journals such as Nature and Science, by a paper-by-paper assignment to a field.”
Their selection process yielded the top 1% of researchers in 21 different scientific fields.
Myneni was selected in the top 1% of researchers in the field of geosciences. He was one of nine Boston University researchers included on the list and the only Boston University selection in the field of geoscience.
To learn more about the methodology behind the selection of the 2014 Highly Cited Researchers list, visit Thomson-Reuters’s website.
Earth & Environment PhD student Jian Bi and Professor Ranga Myneni coauthored an article in the journal Nature. The article is titled “Contribution of semi-arid ecosystems to interannual variability of the global carbon cycle.” It can be downloaded from http://www.nature.com/nature/journal/v509/n7502/full/nature13376.html
An accompanying News & Views article titled “Climate Science: A sink down under” explaining the significance of this paper is also published in Nature and can be downloaded from http://www.nature.com/nature/journal/v509/n7502/full/nature13341.html
Several press releases accompanying the publication and their coverage are listed at: http://poulterlab.com/about/press_release_2011landsink/
You can also see other stories about Prof. Myneni by checking out our News section.
The first article, “Changes in Vegetation Growth Dynamics and Relations with Climate over China’s Landmass from 1982 to 2011,” was published on April 10th, 2014.
The second article, “On Line Validation Exercise (OLIVE): A Web Based Service for the Validation of Medium Resolution Land Products. Application to FAPAR Products,” was published May 5th, 2014.
To read either article, click on the linked titled above.
A complete list of Prof. Myneni’s articles can be found here.
Earth & Environment PhD student Taejin Park published an article in the journal Remote Sensing. The article is titled “Allometric scaling and resource limitations model of tree heights: Part 3. Model optimization and testing over continental China.” The article presents results that show the optimized ASRL model is capable of satisfactorily retrieving tree heights over continental China at a range of spatial scales. The article can be downloaded from http://www.mdpi.com/2072-4292/6/5/3533.
Earth & Environment Professor Ranga Myneni coauthored an article in the journal Nature.
The article is titled “Widespread decline of Congo rainforest greenness in the past decade.”
It presents observational evidence for a widespread decline in forest greenness over the past decade based on analyses of satellite data (optical, thermal, microwave and gravity) from several independent sensors over the Congo basin.