Catherine Ritz

**Catherine Ritz** wata ‘yar kasar Faransa mai bincike ce a Antarctic, wacce aka fi sani da aikinta kan zanen kankara da tasirinsu kan hawan teku.

## Rayuwar farko da ilimi
Catherine Ritz ta sami digiri na biyu na *Maîtrise de Physique* a fannin kimiyyar lissafi a Faransa a cikin 1975. Ta gudanar da bincikenta na PhD wanda ya kai ga digirin *Thèse de 3ème* cycle a 1980 daga Jami'ar Grenoble, kuma ta karɓi *Thèse de Doctorat d’Etat* a 1992.

## Aiki da tasiri
Ritz ƙwararriyar climatologist ce kuma masaniyar ƙasa da aka sani musamman don gudummawar da take bayarwa ga binciken canjin yanayi. Ita babbar mai bincike ce don Cibiyar Nazarin Kimiyya ta Faransa (CNRS) a Laboratoire de Glaciologie et Geophysique de l'Environnement, kuma tana da alaƙa da Jami'ar Grenoble Alpes. Bincikenta ya haɗa da yin ƙirƙira juyin halittar hular kankara; yin amfani da nau'ikan 3D don bincika canje-canje a cikin zanen kankara da ɗakunan kankara na Antarctica da Greenland; hakowa kankara; da bincike na sub-glacial isostasy. Ta buga labarai sama da 70.

Daga cikin gudunmawar da Ritz ta fi ba da gudummawa akwai labarin da aka buga a cikin mujallar Nature a watan Disamba 2015. Labarin, bisa binciken da Ritz da Tamsin Edwards daga Jami'ar Budawa suka jagoranta, sun ƙirƙiri samfurori bisa bayanan tauraron dan adam don nazarin yiwuwar tasirin Antarctic. Kankarar teku ta rushe a kan matakan tekun duniya. Yin amfani da hanyoyin da suka fi dacewa fiye da waɗanda aka yi amfani da su a cikin binciken da aka yi a baya, ƙungiyar ta gano cewa rushewar kankara na Antarctic zai haifar da mummunar sakamako ga hawan teku (har zuwa rabin mita da 2100 a cikin yanayin da ake ciki mai yawa), amma sakamakon zai haifar. mai yiyuwa ba zai zama mai ban mamaki ba kamar yadda sauran manyan bincike suka yi annabta. Tawagar ta gano cewa sakamakon da ya fi dacewa shi ne hawan tekun da ya kai 10 cm da 2100, ana tsammanin cewa iskar gas na tasowa a matsakaici zuwa matsakaici, kuma zai yi wuya a sami hawan sama da 30 cm.

Ritz tana kuma taka rawar gani a kokarin kasa da kasa na sanya ido kan kankara Antarctic da fahimtar sauyin yanayi. Ita ce Shugabar Kwamitin Kimiyya kan Binciken Antarctic (SCAR) Kankara Mass Balance da Ƙungiyar Ƙwararrun Ƙwararrun Teku; memba na SCAR Canjin Yanayi na Antarctic a cikin Shirin Bincike na Kimiyya na ƙarni na 21; kuma memba na Hukumar Ba da Shawarar Kankara ta Duniya ga ƙungiyar BRITICE-CHRONO, wacce ke nazarin lalata da ruwan ƙanƙara mai tasirin ruwan ƙanƙara na takardar ƙanƙara ta Burtaniya-Irish.

Ƙungiyar Glaciological ta Duniya ta ba Rirz lambar yabo ta Seligman Crystal a cikin 2020 don aikinta kan ƙirar kankara da bincike na paleoclimate.

## Rubuce-rubucen da aka zaɓa

* Ritz, Catherine, Vincent Rommelaere, da Christophe Dumas. "Tsarin juyin halittar kankara na Antarctic a cikin shekaru 420,000 da suka gabata: Abubuwan da ke haifar da canjin tsayi a yankin Vostok." Journal of Geophysical Research: Atmospheres 106.D23 (2001): 31943-31964.
* Augustin, Laurent, Carlo Barbante, Piers RF Barnes, Jean Marc Barnola, Matthias Bigler, Emiliano Castellano, Olivier Cattani, Catherin Ritz. "Take-taken glacial hawan daga Antarctic kankara core." Nature 429, no. 6992 (2004): 623-628.
* Lemieux-Dudon, Bénédicte, Eric Blayo, Jean-Robert Petit, Claire Waelbroeck, Anders Svensson, Catherine Ritz, Jean-Marc Barnola, Bianca Maria Narcisi, da Frédéric Parrenin. "Daukar dangantaka tsakanin Antarctic da Greenland kankara." Sharhin Kimiyya na Quaternary 29, No. 1 (2010): 8-20.
* Parrenin, F., Remy, F., Ritz, C., Siegert, M. J., & Jouzel, J. (2004). Sabuwar ƙirar layin Vostok kankara mai gudana da tasiri ga tarihin glaciological na ainihin ƙanƙara na Vostok. Journal of Geophysical Research: Atmospheres, 109 (D20).

## Manazarta


## Hanyoyin haɗi na waje

* http://www2.cnrs.fr/en/885.htm
* https://www.francebleu.fr/emissions/les-portraits-d-isere/portrait-d-isere-catherine-ritz
* http://ici.radio-canada.ca/radio/lumiere/archives/archives2003/octobre2003.html
* http://lgge.osug.fr/article134.html?lang=fr