Profile

Name : Jeehwan Bae
Research Interests : Urban ecology, GHGs emissions, Carbon stocks and flux, Soil respiration, Fertilization effects, Land-use and land-cover change, NDVI and LAI.

Office : Environmental Ecology Laboratory, Department of Landscape Architecture (Seoul National University)

Undergraduate major : Department of Integrative Plant Science

Master course : Environmental Ecology

Publication (*corresponding author) :

[1] Bae, J., & Ryu, Y.* (2015). Land use and land cover changes explain spatial and temporal variations of the soil organic carbon stocks in a constructed urban park. Landscape and Urban Planning, 136, 57-67 [PDF].

[2] Bae, J., & Ryu, Y.* (2017). Spatial and temporal variations in soil respiration among different land cover types under wet and dry years in an urban park. Landscape and Urban Planning, 167, 378–385 [HTML] [PDF]. 


Conference and Meeting Proceedings, Poster and Oral presentation :

2012 - Poster, American Geophysical Union (AGU) fall meeting
Bae, J., & Ryu, Y.* (2012). Quantifying soil carbon and nitrogen stocks in the Seoul Forest Park.

2013 - Oral presentation, AsiaFlux (International Joint Conference of 11th Asiaflux, 4th HESS, 14th KSAFM)
Bae, J., & Ryu, Y.* (2013). Quantification of soil organic carbon (SOC) stocks and flux in the Seoul Forest Park.

2014 - Poster, 4th iLEAPS Science Conference, Nanjing, China
Bae, J., & Ryu, Y.* (2014). Large spatial and temporal variations of the soil organic carbon stocks in a constructed urban park.

 2014 ~ 2016 - Military Service period

 2017 - Poster, Seoul Biennale of Architecture and Urbanism - SEOUL ON AIR project

 2017 - Poster, American Geophysical Union (AGU) fall meeting

Memberships :

[2012] - Member, American Geophysical Union (AGU)
[2013] - Member, AsiaFlux (International Joint Conference of 11th Asiaflux, 4th HESS, 14th KSAFM)
[2013] - Member, 5th International Winter School and Workshop on Climate/Environment Change
[2014] - Member, 4th iLEAPS Science Conference, Nanjing, China
[2014 ~ 2016] - Military service period
[2017] - Member, American Geophysical Union (AGU)

 Journal Referee (numbers/year) :
Korean Journal of Agricultural and Forest Meteorology (01/2014)
Ecological Engineering (01/2016)

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20190405

Author  :  Moura-Bueno, J. M. Dalmolin, R. S. D. ten Caten, A. Dotto, A. C. Dematte, J. A. M. Year  : 2019 Title  :  Stratification of a local VIS-NIR-SWIR spectral library by homogeneity criteria yields more accurate soil organic carbon predictions Journal  :  Geoderma Comment   :    The aim of this research was to  i) characterize and identify differences among spectra obtained for subtropical soils samples, ii)  evaluate different pre-processing techniques and multivariate methods to propose SOC prediction models from  the spectral data and iii) evaluate the performance of SOC prediction models calibrated from the stratification of  a local library.  Spectral reflectance measurements were performed in the  laboratory with a spectroradiometer in the range of 350–2500 nm. Six pre-processing techniques were applied to  the spectra (including derivatives, normalization and non-linear transformations) and four multivariate calibration  methods, namely, partial least
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20190412

Author  :  Ian A. Smith, Lucy R. Hutyra, Andrew B. Reinmann1, Jonathan R. Thompson, David W. Allen Year  : 2019 Title  :  Evidence for edge enhancements of soil respiration in temperate forests Journal  :  Geophysical Research Letters Comment   :   Forest fragmentation impacts carbon uptake and storage, however, the magnitude and direction of fragmentation impacts on soil respiration remain poorly characterized. They quantify soil respiration rates along edge-to-interior transects in two temperate broad-leaf forests in the eastern US that vary in climate, species composition, and soil type. They observe average soil respiration rates 15-26% higher at the forest edge compared to the interior, corresponding to large gradients in soil temperature.  These results suggest that estimates of soil respiration in the temperate forest region may be underestimating biological emissions of carbon dioxide.
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20181130

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Author  :  Eleanor Hobley, Markus Steffens, Sara L. Bauke & Ingrid Kögel-Knabner Year  : 2018 Title  :  Hotspots of soil organic carbon  storage revealed by laboratory  hyperspectral imaging Journal  :  Scientific Reports Comment   :   They tested the application  of laboratory hyperspectral imaging with a variety of machine learning approaches to predict OC  distribution in undisturbed soil cores.  Despite a  large increase in variance and reduction in OC content with increasing depth, the high resolution of the  images enabled statistically powerful analysis in spatial distribution of OC in the soil cores.  Laboratory hyperspectral imaging enables  powerful, fine-scale investigations of the vertical distribution of soil OC as well as hotspots of OC  storage in undisturbed samples, overcoming limitations of traditional soil sampling campaigns.
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