2012 News

2012

December

  • Hyungseok joined the lab (master course). Welcome!

  • Youngryel and Jeehwan attended AGU Fall meeting at San Francisco.



  • The Ryu group attended The 4th International Winter School and Workshop on Climate/Environment Change at Ewha Womans University (Left). After the Winterschool, Ryu group had a dinner with Professor Jinkyu Hong’s group (Yonsei University) at Shinchon (Right)



  • The Ryu group had a 2012 farewell party. This was the first beer after lab meeting at SNU.



  • Jeehwan’s birthday (28 Dec 2012)



November

  • Andrew’s phenology review paper was published:

Richardson, A.D., Keenan, T.F., Migliavacca, M., Ryu, Y., Sonnentag, O., & Toomey, M. (2013). Climate change, phenology, and phenological control of vegetation feedbacks to the climate system. Agricultural and Forest Meteorology, 169: 156-173

  • Youngryel visited Biometlab at UC Berkeley and gave a short lab seminar on his current projects. Dennis hosted a nice dinner at his home and Youngryel, Sebastian and Martin joined.

  • Ryu Lab celebrated the arrival of Li-6400 (photosynthesis/soil respiration measurement). This instrument will play a key role in carbon flux measurements at Seoul Forest Park.



  • Jeehwan made an amazing progress in digging-up to quantify carbon stock



October

  • Youngryel appeared in EOS for the recognition of 2011 Editors’ Citation for Excellence in Refereeing for Global Biogeochemical Cycles. See here [PDF]

  • Youngryel had a short discussion with Rama Nemani (NASA Ames) at San Francisco Airport to run BESS on NASA NEX.

  • Youngryel attended the Heterotrophic Soil Respiration Workshop hosted by Mark Harmon at HJ Andrews Experimental Forest, Oregon State University.



  • Group dinner (16 Oct 2012)



September

  • Camera paper has been published in Remote Sensing of Environment!

  • Ryu, Y.*, Verfaillie, J., Macfarlane, C., Kobayashi, H., Sonnentag, O., Vargas, R., Ma, S., & Baldocchi, D.D. (2012). Continuous observation of tree leaf area index at ecosystem scale using upward-pointing digital cameras. Remote Sensing of Environment, 126, 116-125 [PDF]


  • Terrestrial LiDAR survey was conducted in the Seoul Forest Park. The 3D information on canopy structures will be used to quantify carbon stocks, water and carbon fluxes in the park.



  • Youngryel’s birthday (2012. 9)



  • Seungjun’s birthday



August

  • Camera paper has been accepted from Remote Sensing of Environment!

  • Ryu, Y.*, Verfaillie, J., MacFarlane, C., Kobayashi, H., Sonnentag, O., Vargas, R., Ma, S., & Baldocchi, D.D. (2012). Continuous observation of tree leaf area index at ecosystem scale using upward-pointing digital cameras. Remote Sensing of Environment, In press


  • Youngryel, Soohyun and Galam attended AOGS-AGU Joint Assembly in Singapore.



  • Group dinner with Woonggi(2012.8.8)


July

  • Youngryel accepted the invitation to join Editorial Board Members in Agricultural and Forest Meteorology.

  • Jeehwan and Woon-Ki started to dig out soil in the Seoul Forest Park! We aim to quantify soil carbon stock in the urban park.



  • Group dinner (2012.7.19)



June

  • Youngryel was recommended for “2011 Editors’ Citation for Excellence in Refereeing for Global Biogeochemical Cycles“!

  • Woong-Ki was awarded “Summer Research Internship Fellowship, CALS, SNU” and will join our group in this August.

  • Camera manuscript has been submited to RSE:

  • Ryu, Y.*, Verfaillie, J., MacFarlane, C., Kobayashi, H., Sonnentag, O., Vargas, R., Ma, S., & Baldocchi, D.D. (2012). Continuous observation of tree leaf area index at ecosystem scale using upward-pointing digital cameras. Remote Sensing of Environment, In review


  • Andrew’s phenology review manuscript has been submitted to AFM:

  • Richardson, A.D., Keenan, T.F., Migliavacca, M., Ryu, Y., Sonnentag, O., & Toomey, M. (2012). Climate change, phenology, and phenological control of vegetation feedbacks to the climate system. Agricultural and Forest Meteorology, In review


May

  • Dr. Shin Nagai from JAMSTEC to develop collaborations with PEN-EYE phenology network

  • Dr. Donggill Kim from Hawassa University in Ethiopia to develop collaborations in installing LED and digital cameras in Ethiopia to monitor vegetation structure and fuctions



April

  • New grant proposal on quantifying carbon cycle in the Seoul Forest was awarded from Natioanl Research Foundation!! It is 200,000$ over the three years.

  • Seungjoon was awarded from Volunteer Research Program, CALS, Seoul National University. He will work on the impacts of elevated [CO2] on biophysical properties of leaves. Congratulations!!

  • The group members worked very hard to calibrate LED sensors against Ocean Optics hyperspectrometer.

  • Minseok, PhD student at Professor Joon Kim’s lab, joined the NRF Korea-Americas cooperation project.

  • Six digital cameras with two LED-sensors were installed at two Koflux sites in Gwangneung.

  • One manuscript on scattering effects on gap fraction estimates was submitted to Agricultural and Forest Meteorology:

  • Kobayashi, H., Ryu, Y*., Baldocchi, D.D., Welles, J.M., & Norman, J.M. (2012). On the correct estimation of gap fraction: how to remove scattered radiation in the gap fraction measurements? Agricultural and Forest Meteorology, In reivew (* corresponding author)


March

  • Jeehwan started his master course!

  • Seungjoon joined the group as a research internship.

  • Spectral response of LEDs was characterized owing to Professor Jangjoo Kim who runs organic LED research group at SNU.

  • Youngryel gave a talk at Department of Atmospheric Sciences, Yonsei University. The title was “Integration of near-surface and satellite remote sensing to monitor land-atmosphere interactions from plot to global scales”

  • Hyungseok’s Birthday (2012. 3. 22)



  • Group dinner at MapoSogeumGui (2012. 3. 8)



February

  • Youngryel attended AGU Chapman Conference for Remote Sensing and Terrestrial Water Cycles at Hawaii.



  • Youngryel attended ACEAS (Australian Centre for Ecological Analysis and Synthesis) meeting at Australia.



back row: Jason Beringer, Eva van Gorsel, Youngryel Ryu , Natasha Kljun, Dong Gill Kim, Matt Paget. front row(s): Chris Pickett-Heaps, Alfredo Huete, Alex Held, Damian Barrett, Pep Canadell, Brad Evans, Ying-Ping Wang (Photo by Allison Specht)

January

  • BESS paper ranked 1st in the “Most Popular” of Global Biogeochemical Cycles.

  • 1st lab meeting!


  • Juwon visited UC Berkeley (Dennis Lab) to learn building LED and DCP sensors. This travel was supported by NRF Korea-US collaboration project.



  • Jeehwan Bae joined to our group. He is the first graduate student!! Welcome!



  • Jaehoon recorded the first alumni in our lab. Good luck with your new plan!

4 views0 comments

Recent Posts

See All

December It is time for AGU. Our group gave 3 oral, and 9 poster presentations virtually. We joined Asiaflux virtual meeting. Jiangong gave an oral presentation, and Jongmin and Sungchan gave poster p

December We contributed AGU Fall Meeting a lot! Two orals, seven posters. Yorum and Ben gave oral presentations. Two new members will join next year! Xing Li from UNH (Jingfeng Xiao’s group) will join