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Mapping urban carbon emissions in relation to local climate zones:Case of the building sector in Bangkok Metropolitan Administration,Thailand

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Energy and Built Environment 2024年第3期5卷 337-347页

作者： Dararat Khamchiangta yoshiki yamagata Faculty of Architecture Khon Kaen University123Mittraphap HighwayMueang KhonKaen DistrictKhon Kaen40002Thailand Graduate School of System Design and Management Keio UniversityKyousei-kan4-1-1HiyoshiKohoku-kuYokohama223-8526Japan

This study focuses on carbon emissions of the building sector in relation to local climate zone(LCZ)classification,concentrating on two major ***,we estimated carbon emissions in the building sector,which were cal-culated for weekdays and weekends real-time daily energy consumption *** estimations were divided into direct(from petroleum products consumption)and indirect emissions(from electricity consumption).Sec-ond,we examined urban carbon emissions mapping in relation to *** Metropolitan Administration(BMA)was used as the case study and 2016 as the base year for *** results illustrate that indirect emissions in Bangkok can be up to ten times higher than direct *** analysis indicates that LCZ,such as compact high-rise,large low-rise,light industry,and warehouse zones had a relatively higher carbon emission intensity than ***,we identified that the compact high-rise zone has the highest indirect emission intensity,while the light industry and warehouse zone have the greatest direct emission *** results provide insights into the dynamics of carbon emission characteristics in the building sector and the methodology purported here can be used to support low carbon city planning and policymaking in Bangkok.

关键词： Energy consumption Carbon mapping Direct carbon emissions Indirect carbon emissions Local climate zone

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Net biome production of managed forests in Japan

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Science China(Life Sciences) 2002年第Z1期45卷 109-115页

作者： Alexandrov Georgii yamagata yoshiki National Institute for Environmental Studies Tsukuba Ibaraki 305-8506 Japan

Net biome production (NBP) is considered as the most appropriate concept for analyzing long-term and large-scale changes of the carbon cycle induced by land use. We have estimated NBP potential of Japanese managed forests, based on their age structure, to be 16 Mt C/a. Fifty-nine percent of this sink is located in the warm-temperate broadleaf forest zone and the remaining 39% is located in the cool-temperate broadleaf forest zone. This potential of NBP could be achieved under a long rotation period (70 a) and may serve as a target for sink enhancement efforts with the potential to uptake up to 4% of current fossil fuel emissions.

关键词： aboveground biomass, carbon sinks, land use.

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Creation of New Global Land Cover Map with Map Integration

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Journal of Geographic Information System 2011年第2期3卷 160-165页

作者： Koki Iwao Kenlo Nishida Nasahara Tsuguki Kinoshita yoshiki yamagata Dave Patton Satoshi Tsuchida 不详

We present here a new approach to the development of a global land cover map. We combined three existing global land cover maps (MOD12, GLC2000, and UMD) based on the principle that the majority view prevails and validated the resulting map by using information collected as part of the Degree Confluence Project (DCP). We used field survey information gathered by DCP volunteers from 4211 worldwide locations to validate the new land cover map, as well as the three existing land cover maps that were combined to create it. Agreement between the DCP-derived information and the land cover maps was 61.3% for our new land cover map, 60.3% for MOD12, 58.9% for GLC2000, and 55.2% for UMD. Although some of the improvements we achieved were not statistically significant, this project has shown that an improved land cover map can be developed and well-validated globally using our method.

关键词： Global Land Cover Map Map Integration Validation

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Carbon dioxide insufflation in esophageal endoscopic submucosal dissection reduces mediastinal emphysema: A randomized, double-blind, controlled trial

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World Journal of Gastroenterology 2016年第32期22卷 7373-7382页

作者： Yuki Maeda Dai Hirasawa Naotaka Fujita Tetsuya Ohira Yoshihiro Harada Taku yamagata yoshiki Koike Kenjirou Suzuki Department of Gastroenterology Sendai City Medical Center Sendal 983-0824 Japan Miyagi Medical Check-up Plaza Sendai 984-0015 Japan

AIM To assess the efficacy of CO2 insufflation for reduction of mediastinal emphysema(ME) immediately after endoscopic submucosal dissection(ESD).METHODS A total of 46 patients who were to undergo esophageal ESD were randomly assigned to receive either CO2 insufflation(CO2 group, n = 24) or air insufflation(Air group, n = 22). Computed tomography(CT) was carried out immediately after ESD and the next morning. Pain and abdominal distention were chronologically recorded using a 100-mm visual analogue scale(VAS). The volume of residual gas in the digestive tract was measured using CT imaging. RESULTS The incidence of ME immediately after ESD in the CO2 group was significantly lower than that in the Air group(17% vs 55%, P = 0.012). The incidence of ME the next morning was 8.3% vs 32% respectively(P= 0.066). There were no differences in pain scores or distention scores at any post-procedure time points. The volume of residual gas in the digestive tract immediately after ESD was significantly smaller in the CO2 group than that in the Air group(808 m L vs 1173 m L, P = 0.013).CONCLUSION CO2 insufflation during esophageal ESD significantly reduced postprocedural ME. CO2 insufflation also reduced the volume of residual gas in the digestive tract immediately after ESD, but not the VAS scores of pain and distention.

关键词： Endoscopic submucosal dissection Carbon dioxide insufflation Mediastinal emphysema Superficial esophageal cancer Complication

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