Search Results:　 1-20 of 67

1

578 30 000-year vegetation and climate change around the East China Sea Shelf inferred from a high resolution pollen record

Xu Deke , Lu Houyuan , Wu Naiqin , Liu Zhenxia

日本花粉学会会誌 58(特別), 261, 2012-08-23

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2

Is snowmelt runoff timing in the Japanese Alps region shifting toward earlier in the year?

Yamanaka Tsutomu , Wakiyama Yoshifumi , Suzuki Keisuke

… Inter-annual variations of snowmelt runoff timing in 15 basins across central Japan were analyzed across 30 years, from 1980–2009, to determine if mountain hydrology has been affected by global warming. … CT was found to be occurring significantly earlier in the year at two northern basins, with a rate of change of around five days per decade. …

Hydrological Research Letters 6(0), 87-91, 2012

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3

Interdisciplinary Class on the Climate Environment around the Japan Islands in Association with the Seasonal Feeling (with Attention to the Transition Stage from Autumn to Winter) [in Japanese]

加藤内藏進 , 佐藤紗里 , 加藤晴子 [他] , 赤木里香子 , 末石範子 , 森泰三 , 入江泉

… For example, although the air temperature around the Japan Islands is still rather higher from November to early December than in the midwinter, the wintertime weather pattern often appears then due to the development of the Siberian high. …

環境制御 : 岡山大学環境管理センター報 -(33) (-), 20-34, 2011-00-00

IR
4

Estimation method of uplift during late Quaternary in an inland area: Case study of fluvial terraces along Kaburagawa river and Tokigawa river [in Japanese]

安江健一 , 田力正好 , 谷川晋一 , 須貝俊彦 , 山田浩二 , 梅田浩司

高レベル放射性廃棄物の地層処分事業の概要調査において使われるであろう隆起量調査手法の1つ，河成段丘を用いて隆起量を把握する手法（TT法）の信頼性向上には，確度が高い段丘の対比・編年が必要である．本論では，段丘の分布・連続性等の地形データ，段丘堆積物の層厚・礫径および植物化石等の地質データ，火山灰層序・14C年代等の年代データを組み合わせた総合的な段丘対比・編年に関わる事例研究を鏑川と土岐川流域で実 …

Journal of Nuclear Fuel Cycle and Environment 18(2), 51-61, 2011

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5

Wind damage simulation in forest and forestry field by CFD technique [in Japanese]

Uchida Takanori , Mizunaga Hiromi , Saito Satoshi , Kamimura Kana , Kinoshita Hiroko , Maruyama Takashi

本研究では,数値流体力学(CFD)的なアプローチの森林の風害研究分野への応用の可能性の検討を目的とし,最新のメソスケール気象モデルNHMと数値風況予測技術RIAM-COMPACT^[○!R]を用いて,風害発生のメカニズムを解析した。メソスケール気象モデルNHMのシミュレーションの結果,大分県九重町で台風0418号により発生した風害は南西からの風に起因すると考えられた。その結果を基に,実際の被害箇所 …

Japanese journal of forest environment 52(2), 67-77, 2010-12-25

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6

Nelumbo fossil pollen from the Karako Mire sediments of Nagasaki Prefecture, Japan [in Japanese]

TAKEUCHI Toru , MIYOSHI Norio , KITAOKA Kouichi , HATANAKA Kenichi

… Controversial arguments exist as to whether Nelumbo is native in Japan or introduced. … We encountered considerable amounts of Nelumbo fossil pollen grains during the course of pollen analysis of the Karako Mire sediments, Japan. …

日本花粉学会会誌 55(2), 95-100, 2009-12-31

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7

Vegetation and climate changes during MIS 11 in southeastern Siberia based on pollen records from Lake Baikal sediment

SHICHI Koji , TAKAHARA Hikaru , KAWAMURO Kimiyasu

バイカル湖のアカデミシャンリッジおよびポソルスカヤバンクから掘削されたコアの花粉分析を行い,今後の気候を予測する際のアナログになりうると考えられている酸素同位体ステージ(MIS)11を含む45〜35万年前のバイカル湖北部および南部地域における植生および気候変遷を明らかにした。MIS12の後期では,バイカル湖周辺はヨモギ属やアカザ科などの草本主体の植生が広がっていたが,北部地域は山岳氷河が大規模に発 …

日本花粉学会会誌 55(1), 3-14, 2009-06-30

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8

Taiwan as a connective stepping-stone in the Kuroshio Triangle and the conservation of coral ecosystems under the impacts of climate change

Chen Chaolun Allen , Shashank Keshavmurthy

… The Kuroshio Triangle, defined as the ocean area influenced by the strongest ocean current in the northwest Pacific, covers the coral ecosystems from the tropical Philippines, subtropical Taiwan and Okinawa, and the high latitudinal coral communities of Shikoku Island, Japan. …

Kuroshio Science 3(1), 15-22, 2009-03-00

IR
9

Toward development of students' sensitivity to the change in climate environment in East Asia with attention to the variety of "seasonal feeling" in the annual cycle [in Japanese]

加藤内藏進 , 加藤晴子 , 別役昭夫

… To the change in the global environment, such as the Global Warming, regional climate systems will show rather different response from region to region. … It is necessary for many people to be able to remark, as early as possible, what kind of regional climate change is going on, in order to mitigate the climate change itself or coming damage of the change in each region. …

Environmental research & control (31), 9-20, 2009-00-00

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10

Research on Cool Linear Park Design for Improvement of Urban Climate

KUROYANAGI Akio , MATSUNAGA Tomohito

… The high density of trees leads to more cold areas in the town district around the park. … We aim at the realization of the CLP design by making use of a microclimate formation effect formed around this SHINSUI Park. …

Landscape Research Japan Online 2, 11-16, 2009

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11

Aerosol Observation Research Using "LIDAR" Active Laser Remote Sensing Instruments [in Japanese]

NISHIZAWA Tomoaki , SUGIMOTO Nobuo

… Vertical distributions of aerosol optical properties derived from lidar measurements are essential information for evaluating climate change. … This paper reports the current status of aerosol observations conducted with lidars by the National Institute for Environmental Studies (NIES) and those performed around the world. …

Earozoru Kenkyu 24(4), 242-249, 2009

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12

Influence of the Surrounding Water Environment on Mire Vegetation

TACHIBANA Harukuni , NARUMI Keita , KUCHIMACHI Saeko , SAITO Michihiko , TATSUMI Ken-ichi , NAGARE Hideaki

… Recently natural Sphagnum mires in Hokkaido, Japan, have been disappearing as a result of the proliferation of alders. … Those phosphorous compounds flow in from agricultural fields around mires. …

Journal of Water and Environment Technology 7(2), 103-108, 2009

J-STAGE CrossRef
13

An Analysis of Nonlinear Relationship between the MJO and ENSO

TANG Youmin , YU Bin

… When their nonlinear relationship was further extracted by the NLCCA, stronger correlation was obtained, with the maximum correlation coefficient appearing while the MJO signals preceding the ENSO signals by around 2 months and 5-6 months respectively. …

Journal of the Meteorological Society of Japan. Ser. II 86(6), 867-881, 2008-12-25

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14

Mechanism of Structure of Indoor Airflow and Thermal Environment in Office Room with Task-Ambient Air-Conditioning and Natural Ventilation [in Japanese]

LIM Eunsu , SAGARA Kazunobu , YAMANAKA Toshio , KOTANI Hisashi , KUISE Machiko , YAMAGIWA Masashi , HORIKAWA Susumu

本論文は,実在する自然換気併用空調を有するオフィス内の温熱・空気環境形成メカニズムを実測によって解明することを目的とし,従来定義されている空気齢やSVE4,CRI3などの指標をトレーサガス法によって測定する手法を開発した上で実測を行い,その手法を用いて室内空気・空調環境形成の構造について検討を行った。実測は自然換気併用タスクアンビエント空調方式を有する実在高層オフィスビルを対象とし,空調時の夏期と …

Transactions of the Society of Heating, Air-Conditioning and Sanitary Engineers of Japan (141), 19-28, 2008-12-05

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15

NUMERICAL SIMULATION OF SEA BREEZE OVER THE KANTO PLANE AND ANALYSIS OF THE INTERRUPTIVE FACTERS FOR THE SEA BREEZE BASED ON MEAN KINETIC ENERGY BLANCE [in Japanese]

OOKA Ryozo , SATO Taiki , MURAKAMI Shuzo

… However, to use the sea breeze as a countermeasure for the heat island, it is necessary to clarify the interaction between urban thermal environment and sea breeze. … In this study, the sea breeze in summer around the Kanto Plane is simulated based on the mesoscale climate analysis. …

Journal of environmental engineering 73(632), 1201-1207, 2008-10-30

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16

Paleovegetation reconstruction of fossil forests dominated by Metasequoia and Glyptostrobus from the late Pliocene Kobiwako Group, central Japan

YAMAKAWA CHIYOMI , MOMOHARA ARATA , NUNOTANI TOMOO , MATSUMOTO MIDORI , WATANO YASUYUKI

… The plant fossils were recovered from a fossil forest preserved in deposits of the Kobiwako Group that are exposed in the Echi River, Shiga Prefecture, central Japan. … Apportionment of the wood from different horizons in the fossil forest indicates Metasequoia grew over a long period of time in a stable environment, while Glyptostrobus and Alnus grew in unstable environments characterized by shortinterval floods. … The fossil forest as a whole represents a fluvial back-marsh environment. …

Paleontological research 12(2), 167-180, 2008-06-30

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17

International Energy Regime : Role of Knowledge and Energy and Climate Change Issues(<Special articles>The Direction of a New Discipline "Energy Studies") [in Japanese]

MATSUI Kenichi

… Although energy and climate change issues are very broad ranged ones embracing great uncertainty, there have been a main stream view or majority's view at any given time on these issues on which energy policies have been formulated. … In 1950's and 60's oil was seen as an abundant and cheap energy resource and around alter the first oil crisis in 1973, scarcity has been stressed even if the reserve-production ratio has remained fairly stable after the crisis. …

Journal of the Japan Institute of Energy 87(2), 119-123, 2008-02-20

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18

INVESTIGATION ON THE OCCUPIED ENVIRONMENT TEMPERATURE IN KUMAMOTO FOR ADAPTATION TO GLOBAL WARMING [in Japanese]

OKAMOTO Takami , NAKAMURA Yasuto

… The subject is to clarify a state of adaptation to climate, aiming at making an adaptation measure for prevention of the global warming. … The study was investigated by measuring the occupied environment temperature OET which is defined as the mean temperature of environment around a person in the life every day. …

Journal of environmental engineering (618), 115-121, 2007-08-30

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19

Fluctuation of Pinus pumila tree-ring width and influence of climatic change at Hiragatake moor, central Japan [in Japanese]

Yasuda Masatsugu , Okitsu Susumu

群馬県・新潟県の県境に位置する平ヶ岳頂上部の湿原にハイマツなどが侵入している。この原因は気候変動によるものと考えられるが,具体的な気象要素が何であるかは明らかになっていない。そこで,湿原周囲に生育するハイマツの年輪幅の変動と,近隣地域で観測された気温,降水量,晴天日数,曇天日数,降雪日数,年最大積雪深,積雪終日,積雪開始日の各気象要素との比較を行った。その結果,平ヶ岳湿原に成育するハイマツの年輪幅 …

Japanese journal of forest environment 49(1), 9-18, 2007-06-25

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20

FIELD MEASUREMENTS OF REGIONAL CLIMATE IN A PROVINCIAL COASTAL CITY ALONG THE PACIFIC IN TOHOKU REGION IN SUMMER : Influence of wind condition, such as Yamase, and green coverage ratio on air temperature [in Japanese]

SASAKI Kiyoshi , JUNIMURA Yoshiki , MOCHIDA Akashi , WATANABE Hironori , YOSHINO Hiroshi

… The aim of this study is to investigate the present outdoor thermal environment condition of urban area in such provincial cities and the factors, that is land and sea breeze and land cover, contributing to air temperature increasing and decreasing. … Air temperatures measured from the river area showed cooler than around residential and urban areas. … It was confirmed that air temperature in and around the city was decreased when sea breeze blew. …

Journal of environmental engineering (613), 79-85, 2007-03-30

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