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Showing results 1 to 60 of 113

Issue Date	Title / Author(s) / Citation	File
2007-06	Quantifying the Spatial Heterogeneity of the Land Surface Parameters at the Two Contrasting KoFlux Sites by Semivariogram Moon, Sang Ki; Ryu, Youngryel; Lee, Dong Ho; Kim, Joon; Lim, Jong Hwan 한국농림기상학회지, Vol.9 No.2, pp.140-148	DOI
2008-05	Interannual variability of evapotranspiration and energy exchange over an annual grassland in California Ryu, Youngryel; Baldocchi, Dennis D.; Ma, Siyan; Hehn, Ted Journal of geophysical research - Atmospheres, Vol.113 No.D9, p. D09104	DOI
2008-09	Evaluation of land surface radiation balance derived from moderate resolution imaging spectroradiometer (MODIS) over complex terrain and heterogeneous landscape on clear sky days Ryu, Youngryel; Kang, Sinkyu; Moon, Sang-Ki; Kim, Joon Agricultural and Forest Meteorology, Vol.148 No.10, pp.1538-1552	DOI
2009-01	The influence of wind flows on thermal comfort in the Daechung of a traditional Korean house Ryu, Youngryel; Kim, Seogcheol; Lee, Dowon Building and Environment, Vol.44 No.1, pp.18-26	DOI
2010-01	How to quantify tree leaf area index in an open savanna ecosystem: A multi-instrument and multi-model approach Ryu, Youngryel; Sonnentag, Oliver; Nilson, Tiit; Vargas, Rodrigo; Kobayashi, Hideki; Wenk, Rebecca; Baldocchi, Dennis D. Agricultural and Forest Meteorology, Vol.150 No.1, pp.63-76	DOI
2010-01	The dynamics of energy, water, and carbon fluxes in a blue oak (quercus douglasii) Savanna in California Baldocchi, Dennis; Chen, Qi; Chen, Xingyuan; Ma, Siyan; Miller, Gretchen; Ryu, Youngryel; Xiao, Jingfeng; Wenk, Rebecca; Battles, John Ecosystem Function in Savannas: Measurement and Modeling at Landscape to Global Scales, pp.135-151	DOI
2010-03	On the correct estimation of effective leaf area index: Does it reveal information on clumping effects? Ryu, Y.; Nilson, T.; Kobayashi, H.; Sonnentag, O.; Law, B.E.; Baldocchi, D.D. Agricultural and Forest Meteorology, Vol.150 No.3, pp.463-472	DOI
2010-05	eScience in the cloud: A MODIS satellite data reprojection and reduction pipeline in the Windows Azure platform Li, Jie; Humphrey, Marty; Agarwal, Deb; Jackson, Keith; Van Ingen, Catharine; Ryu, Youngryel Proceedings of the International Parallel and Distributed Processing Symposium, IPDPS	DOI
2010-12	Testing the performance of a novel spectral reflectance sensor, built with light emitting diodes (LEDs), to monitor ecosystem metabolism, structure and function Ryu, Youngryel; Baldocchi, Dennis D.; Verfaillie, Joseph; Ma, Siyan; Falk, Matthias; Ruiz-Mercado, Ilse; Hehn, Ted; Sonnentag, Oliver Agricultural and Forest Meteorology, Vol.150 No.12, pp.1597-1606	DOI
2011	Assessing the value of cloudbursting: A case study of satellite image processing on windows azure Humphrey, M.; Hill, Z.; Van Ingen, C.; Jackson, K.; Ryu, Y. Proceedings - 2011 7th IEEE International Conference on eScience, eScience 2011, pp.126-133	DOI
2011-01	Fault tolerance and scaling in e-Science cloud applications: Observations from the continuing development of MODISAzure Li, Jie; Humphrey, Marty; Cheah, You-Wei; Ryu, Youngryel; Agarwal, Deb; Jackson, Keith; Van Ingen, Catharine Proceedings - 2010 6th IEEE International Conference on e-Science, eScience 2010, pp.246-253	DOI
2011-07	Tracking the structural and functional development of a perennial pepperweed (Lepidium latifolium L.) infestation using a multi-year archive of webcam imagery and eddy covariance measurements Sonnentag, O.; Detto, M.; Vargas, R.; Ryu, Y.; Runkle, B. R. K.; Kelly, M.; Baldocchi, D. D. Agricultural and Forest Meteorology, Vol.151 No.7, pp.916-926	DOI
2011-08	Data-intensive science: The Terapixel and MODISAzure projects Agarwal, Deb; Cheah, You-Wei; Fay, Dan; Fay, Jonathan; Guo, Dean; Hey, Tony; Humphrey, Marty; Jackson, Keith; Li, Jie; Poulain, Christophe; Ryu, Youngryel; van Ingen, Catharine International Journal of High Performance Computing Applications, Vol.25 No.3, pp.304-316	DOI
2011-10	Estimating leaf inclination and G-function from leveled digital camera photography in broadleaf canopies Pisek, Jan; Ryu, Youngryel; Alikas, Krista Trees - Structure and Function, Vol.25 No.5, pp.919-924	DOI
2011-12	Integration of MODIS land and atmosphere products with a coupled-process model to estimate gross primary productivity and evapotranspiration from 1 km to global scales Ryu, Youngryel; Baldocchi, Dennis D.; Kobayashi, Hideki; van Ingen, Catharine; Li, Jie; Black, T. Andy; Beringer, Jason; van Gorsel, Eva; Knohl, Alexander; Law, Beverly E.; Roupsard, Olivier Global Biogeochemical Cycles, Vol.25 No.4, p. GB004053	DOI
2012-01	On the temporal upscaling of evapotranspiration from instantaneous remote sensing measurements to 8-day mean daily-sums Ryu, Youngryel; Baldocchi, Dennis D.; Black, T. Andrew; Detto, Matteo; Law, Beverly E.; Leuning, Ray; Miyata, Akira; Reichstein, Markus; Vargas, Rodrigo; Ammann, Christof; Beringer, Jason; Flanagan, Lawrence B.; Gu, Lianhong; Hutley, Lindsay B.; Kim, Joon; McCaughey, Harry; Moors, Eddy J.; Rambal, Serge; Vesala, Timo Agricultural and Forest Meteorology, Vol.152 No.1, pp.212-222	DOI
2012-01	Modeling energy and carbon fluxes in a heterogeneous oak woodland: A three-dimensional approach Kobayashi, Hideki; Baldocchi, Dennis D.; Ryu, Youngryel; Chen, Qi; Ma, Siyan; Osuna, Jessica L.; Ustin, Susan L. Agricultural and Forest Meteorology, Vol.152 No.1, pp.83-100	DOI
2012-06	Terrestrial biosphere model performance for inter-annual variability of land-atmosphere CO2 exchange Keenan, T. F.; Baker, Ian; Barr, Alan; Ciais, Philippe; Davis, Ken; Dietze, Michael; Dragon, Danillo; Gough, Christopher M.; Grant, Robert; Hollinger, David; Hufkens, Koen; Poulter, Ben; Mccaughey, Harry; Raczka, Brett; Ryu, Youngryel; Schaefer, Kevin; Tian, Hanqin; Verbeeck, Hans; Zhao, Maosheng; Richardson, Andrew D. Global Change Biology, Vol.18 No.6, pp.1971-1987	DOI
2012-11	Continuous observation of tree leaf area index at ecosystem scale using upward-pointing digital cameras Ryu, Youngryel; Verfaillie, Joseph; Macfarlane, Craig; Kobayashi, Hideki; Sonnentag, Oliver; Vargas, Rodrigo; Ma, Siyan; Baldocchi, Dennis D. Remote Sensing of Environment, Vol.126, pp.116-125	DOI
2013-01	Analysis of root-zone soil moisture control on evapotranspiration in two agriculture fields in Australia Akuraju, V.R.; Ryu, D.; George, B.; Ryu, Youngryel; Dassanayake, K. Proceedings - 20th International Congress on Modelling and Simulation, MODSIM 2013, pp.3064-3070
2013-02	Climate change, phenology, and phenological control of vegetation feedbacks to the climate system Richardson, Andrew D.; Keenan, Trevor F.; Migliavacca, Mirco; Ryu, Youngryel; Sonnentag, Oliver; Toomey, Michael Agricultural and Forest Meteorology, Vol.169, pp.156-173	DOI
2013-06	On the correct estimation of gap fraction: How to remove scattered radiation in gap fraction measurements? Kobayashi, Hideki; Ryu, Youngryel; Baldocchi, Dennis D.; Welles, Jon M.; Norman, John M. Agricultural and Forest Meteorology, Vol.174, pp.170-183	DOI
2013-11	Retrieving vegetation clumping index from Multi-angle Imaging SpectroRadiometer (MISR) data at 275 m resolution Pisek, Jan; Ryu, Youngryel; Sprintsin, Michael; He, Liming; Oliphant, Andrew J.; Korhonen, Lauri; Kuusk, Joel; Kuusk, Andres; Bergstrom, Rafael; Verrelst, Jochem; Alikas, Krista Remote Sensing of Environment, Vol.138, pp.126-133	DOI
2014-06	Monitoring multi-layer canopy spring phenology of temperate deciduous and evergreen forests using low-cost spectral sensors Ryu, Youngryel; Lee, Galam; Jeon, Soohyun; Song, Youngkeun; Kimm, Hyungsuk Remote Sensing of Environment, Vol.149, pp.227-238	DOI
2014-07	CAMP: Community Access MODIS Pipeline Hendrix, Valerie; Ramakrishnan, Lavanya; Ryu, Youngryel; van Ingen, Catharine; Jackson, Keith R.; Agarwal, Deborah Future Generation Computer Systems, Vol.36, pp.418-429	DOI
2014-10	Digital canopy photography: Exposed and in the raw Macfarlane, Craig; Ryu, Youngryel; Ogden, Gary N.; Sonnentag, Oliver Agricultural and Forest Meteorology, Vol.197, pp.244-253	DOI
2014-11	Interannual variability of regional evapotranspiration under precipitation extremes: A case study of the Youngsan River basin in Korea Song, Youngkeun; Ryu, Youngryel; Jeon, Soohyun Journal of Hydrology, Vol.519 No.PD, pp.3531-3540	DOI
2015-04	Land use and land cover changes explain spatial and temporal variations of the soil organic carbon stocks in a constructed urban park Bae, Jeehwan; Ryu, Youngryel Landscape and Urban Planning, Vol.136, pp.57-67	DOI
2015-05	Describing the spatial patterns of heat vulnerability from urban design perspectives Kim, Saehoon; Ryu, Youngryel International Journal of Sustainable Development and World Ecology, Vol.22 No.3, pp.189-200	DOI
2015-07	Characteristics of Landsat 8 OLI-derived NDVI by comparison with multiple satellite sensors and in-situ observations Ke, Yinghai; Im, Jungho; Lee, Junghee; Gong, Huili; Ryu, Youngryel Remote Sensing of Environment, Vol.164, pp.298-313	DOI
2015-09	Seasonal changes in vertical canopy structure in a temperate broadleaved forest in Korea Song, Youngkeun; Ryu, Youngryel Ecological Research, Vol.30 No.5, pp.821-831	DOI
2015-10	Seasonal variations in photosynthetic parameters and leaf area index in an urban park Kimm, Hyungsuk; Ryu, Youngryel Urban Forestry and Urban Greening, Vol.14 No.4, pp.1059-1067	DOI
2015-12	Urban heat mitigation by roof surface materials during the East Asian summer monsoon Lee, Seungjoon; Ryu, Youngryel; Jiang, Chongya Environmental Research Letters, Vol.10 No.12, p. 124012	DOI
2016	A model inter-comparison study to examine limiting factors in modelling Australian tropical savannas Whitley, Rhys; Beringer, Jason; Hutley, Lindsay B.; Abramowitz, Gab; De Kauwe, Martin G.; Duursma, Remko; Evans, Bradley; Haverd, Vanessa; Li, Longhui; Ryu, Youngryel; Smith, Benjamin; Wang, Ying-Ping; Williams, Mathew; Yu, Qiang Biogeosciences, Vol.13 No.11, pp.3245-3265	DOI
2016-02	Inter- and intra-annual variations of clumping index derived from the MODIS BRDF product He, Liming; Liu, Jane; Chen, Jing M.; Croft, Holly; Wang, Rong; Sprintsin, Michael; Zheng, Ting; Ryu, Youngryel; Piseke, Jan; Gonsamo, Alemu; Deng, Feng; Zhang, Yongqin International Journal of Applied Earth Observation and Geoinformation, Vol.44, pp.53-60	DOI
2016-03	Retrieval of seasonal dynamics of forest understory reflectance from semiarid to boreal forests using MODIS BRDF data Pisek, Jan; Chen, Jing M.; Kobayashi, Hideki; Rautiainen, Miina; Schaepman, Michael E.; Karnieli, Arnon; Sprinstin, Michael; Ryu, Youngryel; Nikopensius, Maris; Raabe, Kairi Journal of Geophysical Research - Biogeosciences, Vol.121 No.3, pp.855-863	DOI
2016-05	Correction for light scattering combined with sub-pixel classification improves estimation of gap fraction from digital cover photography Hwang, Yorum; Ryu, Youngryel; Kimm, Hyungsuk; Jiang, Chongya; Lang, Mait; Macfarlane, Craig; Sonnentag, Oliver Agricultural and Forest Meteorology, Vol.222, pp.32-44	DOI
2016-09	Global surface net-radiation at 5 km from MODIS terra Verma, Manish; Fisher, Joshua B.; Mallick, Kaniska; Ryu, Youngryel; Kobayashi, Hideki; Guillaume, Alexandre; Moore, Gregory; Ramakrishnan, Lavanya; Hendrix, Valerie; Wolf, Sebastian; Sikka, Munish; Kiely, Gerard; Wohlfahrt, Georg; Gielen, Bert; Roupsard, Olivier; Toscano, Piero; Arain, Altaf; Cescatti, Alessandro Remote Sensing, Vol.8 No.9, p. 739	DOI
2016-11	Long-term global radiation, carbon and water fluxes derived from multi-satellite data and a process-based model Jiang, Chongya; Ryu, Youngryel International Geoscience and Remote Sensing Symposium (IGARSS), Vol.2016, pp.5217-5220	DOI
2016-12	Multi-scale evaluation of global gross primary productivity and evapotranspiration products derived from Breathing Earth System Simulator (BESS) Jiang, Chongya; Ryu, Youngryel Remote Sensing of Environment, Vol.186, pp.528-547	DOI
2016-12	Terrestrial Carbon Cycle Variability Baldocchi, Dennis; Ryu, Youngryel; Keenan, Trevor F1000Research, Vol.5 No.2371, pp.1-9	DOI
2017-01	Seasonal and inter-annual variability of soil moisture stress function in dryland wheat field, Australia Akuraju, Venkata Radha; Ryu, Dongryeol; George, Biju; Ryu, Youngryel; Dassanayake, Kithsiri Agricultural and Forest Meteorology, Vol.232, pp.489-499	DOI
2017-02	Enhancing interoperability to facilitate implementation of REDD+: case study of Mexico Vargas, Rodrigo; Alcaraz-Segura, Domingo; Birdsey, Richard; Brunsell, Nathaniel A.; Cruz-Gaistardo, Carlos O.; de Jong, Bernardus; Etchevers, Jorge; Guevara, Mario; Hayes, Daniel J.; Johnson, Kristofer; Loescher, Henry W.; Paz, Fernando; Ryu, Youngryel; Sanchez-Mejia, Zulia; Toledo-Gutierrez, Karla P. Carbon Management, Vol.8 No.1, pp.57-65	DOI
2017-10	Challenges and opportunities in land surface modelling of savanna ecosystems Whitley, Rhys; Beringer, Jason; Hutley, Lindsay B.; Abramowitz, Gabriel; De Kauwe, Martin G.; Evans, Bradley; Haverd, Vanessa; Li, Longhui; Moore, Caitlin; Ryu, Youngryel; Scheiter, Simon; Schymanski, Stanislaus J.; Smith, Benjamin; Wang, Ying-Ping; Williams, Mathew; Yu, Qiang Biogeosciences, Vol.14 No.20, pp.4711-4732	DOI
2017-10	Inconsistencies of interannual variability and trends in long-term satellite leaf area index products Jiang, Chongya; Ryu, Youngryel; Fang, Hongliang; Myneni, Ranga; Claverie, Martin; Zhu, Zaichun Global Change Biology, Vol.23 No.10, pp.4133-4146	DOI
2017-11	Spatial and temporal variations in soil respiration among different land cover types under wet and dry years in an urban park Bae, Jeehwan; Ryu, Young Ryel Landscape and Urban Planning, Vol.167, pp.378-385	DOI
2018-01	MODIS-derived global land products of shortwave radiation and diffuse and total photosynthetically active radiation at 5 km resolution from 2000 Ryu, Youngryel; Jiang, Chongya; Kobayashi, Hideki; Detto, Matteo Remote Sensing of Environment, Vol.204, pp.812-825	DOI
2018-02	NDVI derived from near-infrared-enabled digital cameras: Applicability across different plant functional types Filippa, Gianluca; Cremonese, Edoardo; Migliavacca, Mirco; Galvagno, Marta; Sonnentag, Oliver; Humphreys, Elyn; Hufkens, Koen; Ryu, Youngryel; Verfaillie, Joseph; di Cella, Umberto Morra; Richardson, Andrew D. Agricultural and Forest Meteorology, Vol.249, pp.275-285	DOI
2018-03	한국 플럭스 관측망의 과거, 현재와 미래 강민석; 권효정; 김준; 김현석; 류영렬; 이승재; 최태진 한국농림기상학회지, Vol.20 No.1, pp.1-4	DOI
2018-06	BESS-Rice: A remote sensing derived and biophysical process-based rice productivity simulation model Huang, Yan; Ryu, Youngryel; Jiang, Chongya; Kimm, Hyungsuk; Kim, Soyoun; Kang, Minseok; Shim, Kyomoon Agricultural and Forest Meteorology, Vol.256, pp.253-269	DOI
2018-07	FluoSpec 2—an automated field spectroscopy system to monitor canopy solar-induced fluorescence Yang, Xi; Shi, Hanyu; Stovall, Atticus; Guan, Kaiyu; Miao, Guofang; Zhang, Yongguang; Zhang, Yao; Xiao, Xiangming; Ryu, Youngryel; Lee, Jung-Eun Sensors, Vol.18 No.7, p. 2063	DOI
2018-10	Sun-induced chlorophyll fluorescence is more strongly related to absorbed light than to photosynthesis at half-hourly resolution in a rice paddy Yang, Kaige; Ryu, Youngryel; Dechant, Benjamin; Berry, Joseph A.; Hwang, Yorum; Jiang, Chongya; Kang, Minseok; Min, Jongmin; Kimm, Hyungsuk; Kornfeld, Ari; Yang, Xi Remote Sensing of Environment, Vol.216, pp.658-673	DOI
2018-11	The impact of the 2015/2016 El Nino on global photosynthesis using satellite remote sensing Luo, Xiangzhong; Keenan, Trevor F.; Fisher, Joshua B.; Jimenez-Munoz, Juan-Carlos; Chen, Jing M.; Jiang, Chongya; Ju, Weimin; Perakalapudi, Naga-Vineet; Ryu, Youngryel; Tadic, Jovan M. Philosophical Transactions of the Royal Society B: Biological Sciences, Vol.373 No.1760, p. 20170409	DOI
2019-01	Continuous observation of vegetation canopy dynamics using an integrated low-cost, near-surface remote sensing system Kim, Jongmin; Ryu, Youngryel; Jiang, Chongya; Hwang, Yorum Agricultural and Forest Meteorology, Vol.264, pp.164-177	DOI
2019-03	What is global photosynthesis? History, uncertainties and opportunities Ryu, Youngryel; Berry, Joseph A.; Baldocchi, Dennis D. Remote Sensing of Environment, Vol.223, pp.95-114	DOI
2019-04	How Much Water Is Evaporated Across California? AMultiyear Assessment Using a Biophysical ModelForced With Satellite Remote Sensing Data Baldocchi, Dennis; Dralle, David; Jiang, Chongya; Ryu, Youngryel Water Resources Research, Vol.55 No.4, pp.2722-2741	DOI
2019-08	Increased atmospheric vapor pressure deficit reduces global vegetation growth Yuan, Wenping; Zheng, Yi; Piao, Shilong; Ciais, Philippe; Lombardozzi, Danica; Wang, Yingping; Ryu, Youngryel; Chen, Guixing; Dong, Wenjie; Hu, Zhongming; Jain, Atul K.; Jiang, Chongya; Kato, Etsushi; Li, Shihua; Lienert, Sebastian; Liu, Shuguang; Nabel, Julia E. M. S.; Qin, Zhangcai; Quine, Timothy; Sitch, Stephen; Smith, William K.; Wang, Fan; Wu, Chaoyang; Xiao, Zhiqiang; Yang, Song Science Advances, Vol.5 No.8, p. eaax1396	DOI
2019-09	Exploring the spatial relationship between airborne-derived red and far-red sun-induced fluorescence and process-based GPP estimates in a forest ecosystem Tagliabue, Giulia; Panigada, Cinzia; Dechant, Benjamin; Baret, Frederic; Cogliati, Sergio; Colombo, Roberto; Migliavacca, Mirco; Rademske, Patrick; Schickling, Anke; Schuttemeyer, Dirk; Verrelst, Jochem; Rascher, Uwe; Ryu, Youngryel; Rossini, Micol Remote Sensing of Environment, Vol.231, p. 111272	DOI
2019-10	A practical approach for estimating the escape ratio of near-infrared solar-induced chlorophyll fluorescence Zeng, Yelu; Badgley, Grayson; Dechant, Benjamin; Ryu, Youngryel; Chen, Min; Berry, J. A. Remote Sensing of Environment, Vol.232, p. 111209	DOI
2019-11	How to better estimate leaf area index and leaf angle distribution from digital hemispherical photography? Switching to a binary nonlinear regression paradigm Zhao, Kaiguang; Ryu, Young Ryel; Hu, Tongxi; Garcia, Mariano; Li, Yang; Liu, Zhen; Londo, Alexis; Wang, Chao Methods in Ecology and Evolution, Vol.10 No.11, pp.1864-1874	DOI

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