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IPCC opens registration for expert review of draft report
The Intergovernmental Panel on Climate Change (IPCC)—the United Nations body established to assess the science related to climate change—is offering experts an opportunity to review the draft version of its Sixth Assessment Synthesis Report.
IPCC assessment reports are published every six to seven years. The Fifth Assessment Report, completed in 2014, provided the main scientific input to the 2015 Paris Agreement.
Interested experts can register for participation in the review here. Registration is open through March 13. The review period ends on March 20.
K. Ikeda et al. (19P25)
Fusion Science and Technology | Volume 51 | Number 2 | February 2007 | Pages 283-285
Technical Paper | Open Magnetic Systems for Plasma Confinement | dx.doi.org/10.13182/FST07-A1376
Articles are hosted by Taylor and Francis Online.
Neutral beam attenuation has been investigated by the beam emission diagnostic system at LHD which consists of a quartz optical fiber, leading to a spectrometer and an ICCD detector. The spectral resolution and the reciprocal dispersion are 0.21 nm and 1.4 nm/mm, respectively. The behavior of the beam-stopping cross-section derived from the beam emission is consistent with that of the cross-section from the Atomic Data and Analysis Structure (ADAS) database. The intensity of the beam emission decreases with increasing stopping cross-section from the use of heavy ions in a discharge. We have also observed that the measured cross-section of the hydrogen is larger than that of the ADAS calculation.