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LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00003857naa a2200565 4500
001oai:DiVA.org:su-153781
003SwePub
008180320s2018 | |||||||||||000 ||eng|
0247 a https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-1537812 URI
0247 a https://doi.org/10.5194/acp-18-1379-20182 DOI
040 a (SwePub)su
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
1001 a Ball, William T.4 aut
2451 0a Evidence for a continuous decline in lower stratospheric ozone offsetting ozone layer recovery
264 c 2018-02-06
264 1b Copernicus GmbH,c 2018
338 a print2 rdacarrier
520 a Ozone forms in the Earth's atmosphere from the photodissociation of molecular oxygen, primarily in the tropical stratosphere. It is then transported to the extratropics by the Brewer-Dobson circulation (BDC), forming a protective ozone layer around the globe. Human emissions of halogen-containing ozone-depleting substances (hODSs) led to a decline in stratospheric ozone until they were banned by the Montreal Protocol, and since 1998 ozone in the upper stratosphere is rising again, likely the recovery from halogen-induced losses. Total column measurements of ozone between the Earth's surface and the top of the atmosphere indicate that the ozone layer has stopped declining across the globe, but no clear increase has been observed at latitudes between 60 degrees S and 60 degrees N outside the polar regions (60-90 degrees). Here we report evidence from multiple satellite measurements that ozone in the lower stratosphere between 60 degrees S and 60 degrees N has indeed continued to decline since 1998. We find that, even though upper stratospheric ozone is recovering, the continuing downward trend in the lower stratosphere prevails, resulting in a downward trend in stratospheric column ozone between 60 degrees S and 60 degrees N. We find that total column ozone between 60 degrees S and 60 degrees N appears not to have decreased only because of increases in tropospheric column ozone that compensate for the stratospheric decreases. The reasons for the continued reduction of lower stratospheric ozone are not clear; models do not reproduce these trends, and thus the causes now urgently need to be established.
650 7a NATURVETENSKAPx Geovetenskap och miljövetenskap0 (SwePub)1052 hsv//swe
650 7a NATURAL SCIENCESx Earth and Related Environmental Sciences0 (SwePub)1052 hsv//eng
7001 a Alsing, Justin4 aut
7001 a Mortlock, Daniel J.u Stockholms universitet,Institutionen för astronomi,Imperial College London, UK4 aut0 (Swepub:su)dmort
7001 a Staehelin, Johannes4 aut
7001 a Haigh, Joanna D.4 aut
7001 a Peter, Thomas4 aut
7001 a Tummon, Fiona4 aut
7001 a Stübi, Rene4 aut
7001 a Stenke, Andrea4 aut
7001 a Anderson, John4 aut
7001 a Bourassa, Adam4 aut
7001 a Davis, Sean M.4 aut
7001 a Degenstein, Doug4 aut
7001 a Frith, Stacey4 aut
7001 a Froidevaux, Lucien4 aut
7001 a Roth, Chris4 aut
7001 a Sofieva, Viktoria4 aut
7001 a Wang, Ray4 aut
7001 a Wild, Jeannette4 aut
7001 a Yu, Pengfei4 aut
7001 a Ziemke, Jerald R.4 aut
7001 a Rozanov, Eugene V.4 aut
7102 a Stockholms universitetb Institutionen för astronomi4 org
7730 t Atmospheric Chemistry And Physicsd : Copernicus GmbHg 18:2, s. 1379-1394q 18:2<1379-1394x 1680-7316x 1680-7324
8564 u https://doi.org/10.5194/acp-18-1379-2018y Fulltext
8564 u https://www.atmos-chem-phys.net/18/1379/2018/acp-18-1379-2018.pdf
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-153781
8564 8u https://doi.org/10.5194/acp-18-1379-2018

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