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Journal of groundwater hydrology最新文献

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Development of a quick method to test leaching for maintaining the environmental safety of recycled materials 开发一种快速测试浸出的方法，以保证回收材料的环境安全
Journal of groundwater hydrology Pub Date : 2021-05-26 DOI: 10.5917/jagh.63.67
S. Yasuike, H. Masaki
{"title":"Development of a quick method to test leaching for maintaining the environmental safety of recycled materials","authors":"S. Yasuike, H. Masaki","doi":"10.5917/jagh.63.67","DOIUrl":"https://doi.org/10.5917/jagh.63.67","url":null,"abstract":"To ensure that recycled materials such as gypsum and coal fly ash are environmentally safe, a rapid test that measures leaching from these materials was developed using the quality engineering parameter design method. Fluoride concentration in leachate is equivalent to that of Japanese regulatory leaching test 46 (JLT-46) and can be estimated rapidly by using a new method in which the samples are stirred at a high speed in a ball mill. This method greatly improved the estimation accuracy. For linear regression, the coefficient of determination between the leached amount of JLT-46 and the estimated value obtained via the quick method was R=0.95, with a standard error of 0.75 mg/L, for gypsum and R=0.98, with a standard error of 0.32 mg/L, for fly ash. This is a promising method that can be introduced as part of the inspection process for recycled materials.","PeriodicalId":173171,"journal":{"name":"Journal of groundwater hydrology","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129399259","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Visit to valuable water springs (133) Valuable springs in Republic of North Macedonia 参观珍贵的泉水(133)北马其顿共和国珍贵的泉水
Journal of groundwater hydrology Pub Date : 2021-05-26 DOI: 10.5917/jagh.63.83
K. Kudo
{"title":"Visit to valuable water springs (133) Valuable springs in Republic of North Macedonia","authors":"K. Kudo","doi":"10.5917/jagh.63.83","DOIUrl":"https://doi.org/10.5917/jagh.63.83","url":null,"abstract":"北マケドニア共和国(以下,マケドニアという) と聞いてイメージを思い浮かべることのできる日 本人はそれほど多くないだろうが,マザー・テレ サ(本名:アグネス・ゴンジャ・ボヤジュ)と聞 いてその名を知らない日本人は少ないだろう。マ ケドニアの首都スコピエ市は生涯をインドの貧者 救済に捧げ,1979年にノーベル平和賞を受賞した マザー・テレサの生誕の地である。また,日本と も縁があり,1963年にM6.1の大地震によって首 都スコピエ市が壊滅的被害(死者1100人,負傷者 4000人)を受けた際に,その復興計画を日本人建 築家の丹下健三氏が担当しており,その事が縁で 親日感情が強いようである。これについては,筆 者も渡航中に接した人々から感じることができ た。余談だが,日本のサッカー事情に関して,筆 者よりもマケドニア人のほうが詳しかったことに 非常に驚かされた。 マケドニアはバルカン半島に位置し,南はギリ シャ,西はアルバニア,北はコソボおよびセルビ ア,東はブルガリアに囲まれた内陸国である(図 1)。面積は約2.6万 km(九州の約 3分の 2)で ある。全人口は208万人(2018年)で,スコピエ 市にはその約 3分の 1の人々が暮らしている。民 族構成は人口の70%弱がスラヴ系マケドニア人 で,25%がアルバニア人,トルコ人が 5%程度と なっている。宗教はマケドニア人がキリスト教系 のマケドニア正教,アルバニア人とトルコ人の大 部分がイスラム教である。また,日本からの渡航","PeriodicalId":173171,"journal":{"name":"Journal of groundwater hydrology","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114184425","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Review on treatment of boundary conditions for rainfall infiltration in groundwater flow modeling 地下水渗流模拟中降雨入渗边界条件处理研究进展
Journal of groundwater hydrology Pub Date : 2021-05-26 DOI: 10.5917/jagh.63.57
T. Hishiya, Y. Tawara
{"title":"Review on treatment of boundary conditions for rainfall infiltration in groundwater flow modeling","authors":"T. Hishiya, Y. Tawara","doi":"10.5917/jagh.63.57","DOIUrl":"https://doi.org/10.5917/jagh.63.57","url":null,"abstract":"我々の暮らしの中における 1つの重要な水資源 として地下水が挙げられる。地下水の流動は気象 条件や地表面の被覆状態,地質構造,地下水揚水 など様々なものに影響を受けており,地上からそ の詳細な実態を把握していくことは通常困難であ る。ボーリング調査や地下水観測など,地下水流 動の実態を把握するための方法として様々なもの があるが,コンピュータを用いた数値シミュレー ションも有用なツールの 1つである。 地下水流動を取扱うことができるシミュレー ションツールが近年では複数存在し,中にはパッ ケージ化されることで,高度なモデルであるにも 拘わらず非常に利用しやすいものも普及するよう になってきている。一方で,比較的容易に利用で きるが故に対象としている問題の複雑さや,シ ミュレーションツール毎に異なる利用時の留意点 を十分に理解しないまま,高度なモデルを利用し て,出力された結果をリーズナブルなものとして 評価に使用してしまう可能性がある。 地下水流動の一部となる降雨などの地表面から の浸透は,地下水に対してのインプットとなる非 常に重要な要素の 1つとして設定する必要があ り,シミュレーションツール毎に様々な取扱いを 選択している。ツール毎に異なる取扱いや,それ らの特徴を良く理解して利用していくことが,地 下水流動シミュレーションを通じた評価の信頼性","PeriodicalId":173171,"journal":{"name":"Journal of groundwater hydrology","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130473777","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Relationship between groundwater and agriculture 地下水与农业的关系
Journal of groundwater hydrology Pub Date : 2021-02-26 DOI: 10.5917/JAGH.63.7
K. Nakamura, T. Tsuchihara, Y. Yoshioka
{"title":"Relationship between groundwater and agriculture","authors":"K. Nakamura, T. Tsuchihara, Y. Yoshioka","doi":"10.5917/JAGH.63.7","DOIUrl":"https://doi.org/10.5917/JAGH.63.7","url":null,"abstract":"","PeriodicalId":173171,"journal":{"name":"Journal of groundwater hydrology","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-02-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130292637","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Irrigation water use and groundwater in alluvial plains in Ehime Prefecture 爱媛县冲积平原的灌溉用水和地下水
Journal of groundwater hydrology Pub Date : 2021-02-26 DOI: 10.5917/JAGH.63.9
K. Takase, T. Nakano, M. Tokumasu
{"title":"Irrigation water use and groundwater in alluvial plains in Ehime Prefecture","authors":"K. Takase, T. Nakano, M. Tokumasu","doi":"10.5917/JAGH.63.9","DOIUrl":"https://doi.org/10.5917/JAGH.63.9","url":null,"abstract":"Two alluvial plains, Saijyo plain and Shuso plain, are located at a coastal area of Seto Inland Sea in Saijyo city, Ehime prefecture. In the area, a lot of groundwater was used with wells from long ago because of a little surface water resource, and the conservation and management of groundwater is a most important policy of the city. In this paper, water use, water balance and water quality in the two plains were compiled based on our previous research. As the result, it was indicated that the dependency of irrigation water on groundwater was relatively high and over-pumping has been often a matter on severe lowering of groundwater level and seawater intrusion in the Saijyo plain. It was also analyzed that the seepage from paddy fields played an important role on groundwater recharge in both of plains. Furthermore, it was shown that high concentration of nitrate nitrogen in groundwater was a problem in Shuso plain due to the use of fertilizer in orchards.","PeriodicalId":173171,"journal":{"name":"Journal of groundwater hydrology","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-02-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127867800","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
持続可能な地下水の保全と利用の実現に向けた地下水汚染対策に求められるもの 为了实现地下水的可持续保护和利用，地下水污染对策所需要的东西
Journal of groundwater hydrology Pub Date : 2021-02-26 DOI: 10.5917/jagh.63.5
Makoto Nakashima
{"title":"持続可能な地下水の保全と利用の実現に向けた地下水汚染対策に求められるもの","authors":"Makoto Nakashima","doi":"10.5917/jagh.63.5","DOIUrl":"https://doi.org/10.5917/jagh.63.5","url":null,"abstract":"","PeriodicalId":173171,"journal":{"name":"Journal of groundwater hydrology","volume":"126 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-02-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126543261","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Reconsideration of an origin of the spring water which forms permanent river at the Higashi-yama Mountain, Hachijo Island 重新考虑在八条岛的东山山形成永久河流的泉水的起源
Journal of groundwater hydrology Pub Date : 2020-11-30 DOI: 10.5917/JAGH.62.601
S. Oguchi
{"title":"Reconsideration of an origin of the spring water which forms permanent river at the Higashi-yama Mountain, Hachijo Island","authors":"S. Oguchi","doi":"10.5917/JAGH.62.601","DOIUrl":"https://doi.org/10.5917/JAGH.62.601","url":null,"abstract":"火山体が有力な貯水池であることはよく知られ ている事実である(山本,1970)。火山全体を水 文学的に独立した一つの単元と考えた場合,湧水 の分布およびその湧水量は火山体内部の地下水の 流動を解明する大きな手がかりになると考えられ る(丸井ほか,1993)。また,湧水の分布は地質 層序および地質構造に密接な関係がある(工藤・ 熊井,1986)。 火山体を水文学的構造に区分する場合,明瞭な 地形的境界条件として島嶼である火山島が把握し やすい。例えば,わが国の火山島で代表的な伊豆 諸島について,新藤(1980,1992,1998)は水 文地質学的研究などから水文環境についてまと め,伊豆大島地域の地下水については,高橋ほか (1987)の報告がある。貯留された地下水は山体 の各所で湧出し,特に湧出する箇所は山麓・火山 体裾野部である(山本,1983)。 カルデラを有する火山体の中には,高い位置に 湧水を持ち恒常河川を有するものがある。例えば 山本ほか(1987)は,阿蘇山の山腹涵養帯に湧水 が分布するのは,溶岩の下に泥流等(非透水層) が認められる場合のみであることを指摘した。 八丈島東山もカルデラがあり,複数の恒常河川 を有している。新藤(1980)は,八丈島東山の一 部の恒常河川を形成する湧水の成因について,埋 没したカルデラ内に形成された湖沼堆積物(以下 湖成層と呼ぶ)が急速に流下する地下水をトラッ プし,ポケット状の地下水溜まりを形成する事で 湧水を形成していると指摘した。 その後八丈島東山火山について,津久井ほか (1991)や菅(1993,1994),杉原(1998)による 詳細な噴火史の研究によると,一部の恒常河川を 形成する湧水域の地質が主に溶岩と火砕物から成 る火山体であることが明らかになった。また,尾 口・佐藤(2003)の現地調査の結果から,恒常河 川を形成する湧水の成因は,埋没カルデラ内に形 成された湖成層だけではないことを示唆した。 しかし尾口・佐藤(2003)は,詳細な噴火史の 研究を精査して湧水の湧出する成因を議論してい ないことや,石塚・下司(2018)の八丈島火山地 質図による新たな知見から,湧水が湧出する成因 を整理する必要がある。 本研究の目的は,八丈島東山の恒常河川を形成 する湧水の現地調査による湧水の湧出状況と新た","PeriodicalId":173171,"journal":{"name":"Journal of groundwater hydrology","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130328705","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Research concept on new hardware and software for the near future of groundwater science 地下水科学近期新硬件和新软件的研究构想
Journal of groundwater hydrology Pub Date : 2020-11-30 DOI: 10.5917/JAGH.62.547
M. Aichi, A. Tomigashi
{"title":"Research concept on new hardware and software for the near future of groundwater science","authors":"M. Aichi, A. Tomigashi","doi":"10.5917/JAGH.62.547","DOIUrl":"https://doi.org/10.5917/JAGH.62.547","url":null,"abstract":"Keywords were extracted from 45 original papers and 19 rapid communications published in the Journal of Groundwater Hydrology during 10 years from 2010 to 2019 . Based on the extracted keywords, original papers and rapid communications were categorized by research themes, and it was found that many researches on dating, isotope ratio, nitrate nitrogen, denitrification, etc. were reported. Based on these results, this paper describes a research concept on hardware and software that looks 10 to 20 years into the near future, focusing on “ Visualization of uncertainties in groundwater modeling technologies ” , “ Real-time data analysis and information dissemination ” , “ Estimation and management of groundwater resources for sustainable use ” , “ Drilling, verification and maintenance of wells ” , etc., which have hardly been reported in recent years.","PeriodicalId":173171,"journal":{"name":"Journal of groundwater hydrology","volume":"101 5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116291681","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Current Problems for Shallow Geothermal Utilization and Approaches to Solve in Groundwater Researches 地下水研究中浅层地热利用存在的问题及解决途径
Journal of groundwater hydrology Pub Date : 2020-11-30 DOI: 10.5917/JAGH.62.515
Yoshitaka Sakata, K. Nagano
{"title":"Current Problems for Shallow Geothermal Utilization and Approaches to Solve in Groundwater Researches","authors":"Yoshitaka Sakata, K. Nagano","doi":"10.5917/JAGH.62.515","DOIUrl":"https://doi.org/10.5917/JAGH.62.515","url":null,"abstract":"","PeriodicalId":173171,"journal":{"name":"Journal of groundwater hydrology","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130192062","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Dynamics of transient tracers in the Satoyama spring 中山泉瞬态示踪剂动力学
Journal of groundwater hydrology Pub Date : 2020-11-30 DOI: 10.5917/JAGH.62.589
K. Asai, M. Tsujimura, Yuji Kato
{"title":"Dynamics of transient tracers in the Satoyama spring","authors":"K. Asai, M. Tsujimura, Yuji Kato","doi":"10.5917/JAGH.62.589","DOIUrl":"https://doi.org/10.5917/JAGH.62.589","url":null,"abstract":"","PeriodicalId":173171,"journal":{"name":"Journal of groundwater hydrology","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114329526","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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