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Takizuka, Tomonori; Hojo, Hitoshi*; Hatori, Tadatsugu*
Purazuma, Kaku Yugo Gakkai-Shi, 78(9), p.857 - 912, 2002/09
Transport along field lines in magnetic confinement plasmas is reviewed. Collisionless and collisional-diffusive transports are discussed. Because of their fast transport, features of plasmas along field lines are apt to behave nonlocally. A nonlocal phenomenon of scrape-off layer (SOL) and divertor plasmas in a tokamak is introduced, whose asymmetry along field lines is induced by the thermoelectric instability related to the SOL current. A local phenomenon called MARFE can be brought by the strong radiation cooling. The "snake" with nonlocal feature along field lines but with local structure perpendicular to the field is observed in a tokamak core plasma. For mirror-confined plasmas, axial particle losses from the mirror ends, especially pitch-angle-sattering losses into the loss cone and nondiabatic losses due to the breakdown of adiabaticity of the magnetic moment, are also discussed in the relation to nonlocal axial transport.
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Nuclear Technology, 80, p.250 - 262, 1988/00
Times Cited Count：6 Percentile：56.78(Nuclear Science & Technology)no abstracts in English
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JAERI-M 85-001, 33 Pages, 1985/02
no abstracts in English
Koike, Taichi*; Ikenoue, Tsubasa; Koga, Yutaro*; Matsuo, Tomohito*; Shimadera, Hikari*
no journal, ,
Accurate estimation of nutrient load from land is necessary for nutrient management in the enclosed coastal sea of Harimanada with oligotrophication problem. We aim to accurately estimate the nutrient load including the rapid increase during flood events in the Kako River basin, which has the largest basin area among the rivers flowing into the Harimanada. In this study, we estimated suspended solid (SS) load during flood events using a water quality model incorporated with the soil erosion process and evaluated its accuracy. As a result, although there is room for improvement in the height of the peak and the timing, the increase in SS load during Flood Events was generally reproduced.
