Arid

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X-ray Microspectroscopy and Ptychography on Nanoscale Structures in Rock Varnish 期刊论文
发表期刊: JOURNAL OF PHYSICAL CHEMISTRY C. 出版年: 2021, 卷号: 125, 期号: 41, 页码: 22684-22697
作者:  Foerster, Jan-David;  Bykova, Iuliia;  Macholdt, Dorothea S.;  Jochum, Klaus Peter;  Kappl, Michael;  Kilcoyne, A. L. David;  Mueller, Maren;  Sorowka, Antje;  Weber, Bettina;  Weigand, Markus;  Schuetz, Gisela;  Andreae, Meinrat O.;  Poehlker, Christopher
收藏  |  浏览/下载:4/0  |  提交时间:2021/11/29
Geochemical insights into the relationship of rock varnish and adjacent mineral dust fractions 期刊论文
发表期刊: CHEMICAL GEOLOGY. 出版年: 2020, 卷号: 551
作者:  Otter, Laura M.;  Macholdt, Dorothea S.;  Jochum, Klaus Peter;  Stoll, Brigitte;  Weis, Ulrike;  Weber, Bettina;  Scholz, Denis;  Haug, Gerald H.;  Al-Amri, Abdullah M.;  Andreae, Meinrat O.
收藏  |  浏览/下载:5/0  |  提交时间:2021/01/07
Rock varnish  Femtosecond LA-ICP-MS  Mineral dust  Deserts  Mn oxyhydroxides  Clay  
Rock varnish on petroglyphs from the Hima region, southwestern Saudi Arabia: Chemical composition, growth rates, and tentative ages 期刊论文
发表期刊: HOLOCENE. 出版年: 2019, 卷号: 29, 期号: 8, 页码: 1377-1395
作者:  Macholdt, Dorothea S.;  Jochum, Klaus Peter;  Al-Amri, Abdullah;  Andreae, Meinrat O.
收藏  |  浏览/下载:7/0  |  提交时间:2019/11/29
archaeometry  dating  growth rates  mineral dust  positive Ce anomaly  rock varnish  
Insights into microbial involvement in desert varnish formation retrieved from metagenomic analysis 期刊论文
发表期刊: ENVIRONMENTAL MICROBIOLOGY REPORTS. 出版年: 2018, 卷号: 10, 期号: 3, 页码: 264-271
作者:  Lang-Yona, Naama;  Maier, Stefanie;  Macholdt, Dorothea S.;  Mueller-Germann, Isabell;  Yordanova, Petya;  Rodriguez-Caballero, Emilio;  Jochum, Klaus P.;  Al-Amri, Abdullah;  Andreae, Meinrat O.;  Froehlich-Nowoisky, Janine;  Weber, Bettina
收藏  |  浏览/下载:3/0  |  提交时间:2019/11/29
Growth of desert varnish on petroglyphs from Jubbah and Shuwaymis, Ha’il region, Saudi Arabia 期刊论文
发表期刊: HOLOCENE. 出版年: 2018, 卷号: 28, 期号: 9, 页码: 1495-1511
作者:  Macholdt, Dorothea S.;  Al-Amri, Abdullah M.;  Tuffaha, Husam T.;  Jochum, Klaus Peter;  Andreae, Meinrat O.
收藏  |  浏览/下载:6/0  |  提交时间:2019/11/29
manganese oxyhydroxides  Neolithic period  portable XRF  rock art  rock varnish  varnish growth mechanisms  
Black manganese-rich crusts on a Gothic cathedral 期刊论文
发表期刊: ATMOSPHERIC ENVIRONMENT. 出版年: 2017, 卷号: 171, 页码: 205-220
作者:  Macholdt, Dorothea S.;  Herrmann, Siegfried;  Jochum, Klaus Peter;  Kilcoyne, A. L. David;  Laubscher, Thomas;  Pfisterer, Jonas H. K.;  Poehlker, Christopher;  Schwager, Beate;  Weber, Bettina;  Weigand, Markus;  Domke, Katrin F.;  Andreae, Meinrat O.
收藏  |  浏览/下载:2/0  |  提交时间:2019/11/29
Manganese crusts  Portable XRF  Freiburger monster  Rock varnish  Vehicle emission  Manganese deposition mechanisms