| 1. Identity statement | ||||
| Reference Type | Journal Article | |||
| Site | mtc-m21b.sid.inpe.br | |||
| Holder Code | isadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S | |||
| Identifier | 8JMKD3MGP3W34P/3NU3DHL | |||
| Repository | sid.inpe.br/mtc-m21b/2017/05.22.18.57 | |||
| Last Update | 2017:05.22.18.57.54 (UTC) simone | |||
| Metadata Repository | sid.inpe.br/mtc-m21b/2017/05.22.18.57.54 | |||
| Metadata Last Update | 2021:02.06.15.39.10 (UTC) administrator | |||
| DOI | 10.1002/2016JA023638 | |||
| ISSN | 2169-9402 | |||
| Citation Key | AndrioliBaXuYaChZh:2017:StTeGr | |||
| Title | Strong temperature gradients and vertical wind shear on MLT region associated to instability source at 23°S  | |||
| Year | 2017 | |||
| Month | Apr. | |||
| Access Date | 2025, May 09 | |||
| Type of Work | journal article | |||
| Secondary Type | PRE PI | |||
| Number of Files | 1 | |||
| Size | 1867 KiB | |||
| 2. Context | ||||
| Author | 1 Andrioli, Vânia Fátima 2 Batista, Paulo Prado 3 Xu, Jiyao 4 Yang, Guotao 5 Chi, Wang 6 Zhengkuan, Liu | |||
| Resume Identifier | 1 2 8JMKD3MGP5W/3C9JJ3H | |||
| Group | 1 CGCEA-CGCEA-INPE-MCTIC-GOV-BR | |||
| Affiliation | 1 Instituto Nacional de Pesquisas Espaciais (INPE) 2 Instituto Nacional de Pesquisas Espaciais (INPE) 3 Chinese Academy of Sciences 4 Chinese Academy of Sciences 5 Chinese Academy of Sciences 6 Chinese Academy of Sciences | |||
| Author e-Mail Address | 1 vania.andrioli@inpe.br 2 paulo.batista@inpe.br | |||
| Journal | Journal of Geophysical Research: Space Physics | |||
| Volume | 122 | |||
| Number | 4 | |||
| Pages | 4500-4511 | |||
| History (UTC) | 2017-05-22 18:57:54 :: simone -> administrator :: 2017-05-22 18:57:55 :: administrator -> simone :: 2017 2017-05-22 18:58:38 :: simone -> administrator :: 2017 2017-07-04 11:46:47 :: administrator -> simone :: 2017 2017-12-14 14:58:47 :: simone -> administrator :: 2017 2018-01-09 11:41:15 :: administrator -> simone :: 2017 2018-01-09 17:38:10 :: simone -> administrator :: 2017 2021-02-06 15:39:10 :: administrator -> simone :: 2017 | |||
| 3. Content and structure | ||||
| Is the master or a copy? | is the master | |||
| Content Stage | completed | |||
| Transferable | 1 | |||
| Content Type | External Contribution | |||
| Version Type | publisher | |||
| Keywords | convective instability dynamical instability mesopause instabilities meteor radar wind Na lidar temperature | |||
| Abstract | Na lidar temperature measurements were taken successfully from 2007 to 2009 in the mesopause region over São José dos Campos (23.1°S, 45.9°W). Strong gradients on these vertical temperature profiles are often observed. A simple theoretical study has shown that temperature gradient of at least −8 K/km is required concurrently with the typical tidal wind shear in order to generate dynamical instability in the MLT region. We have studied vertical shear in horizontal wind related to atmospheric tides, inferred by meteor radar, with the aim of analyzing instability occurrence. These wind measurements were taken from an all-sky meteor radar at Cachoeira Paulista (22.7°S, 45°W). Two years of simultaneous data, wind and temperature, were used in this analysis which represent 79 days, totalizing 589 h of simultaneous observations. We realize that the condition for the local Richardson number (Ri) dropping below the critical value of instability (Ri < 0.25) is often reached in 98% of the analyzed cases. The mean probabilities for occurrence of convective and dynamical instabilities, in the altitude region between 82 and 98 km, were observed to be about 3% and 17.5%, respectively. Additionally, vertical distribution of these probabilities has revealed a weak occurrence of dynamical instability around 90 km, and this fact can be related to the double mesopause typically observed in this site. | |||
| Area | CEA | |||
| Arrangement | urlib.net > BDMCI > Fonds > Produção anterior à 2021 > CGCEA > Strong temperature gradients... | |||
| doc Directory Content | access | |||
| source Directory Content | there are no files | |||
| agreement Directory Content |
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| 4. Conditions of access and use | ||||
| data URL | http://urlib.net/ibi/8JMKD3MGP3W34P/3NU3DHL | |||
| zipped data URL | http://urlib.net/zip/8JMKD3MGP3W34P/3NU3DHL | |||
| Language | en | |||
| Target File | andrioli_strong.pdf | |||
| User Group | simone | |||
| Reader Group | administrator simone | |||
| Visibility | shown | |||
| Archiving Policy | denypublisher6 allowfinaldraft | |||
| Read Permission | allow from all | |||
| Update Permission | not transferred | |||
| 5. Allied materials | ||||
| Next Higher Units | 8JMKD3MGPCW/3EU2FR5 | |||
| Citing Item List | sid.inpe.br/bibdigital/2013/10.01.23.29 14 sid.inpe.br/mtc-m21/2012/07.13.14.58 6 | |||
| Dissemination | WEBSCI; AGU; MGA; COMPENDEX. | |||
| Host Collection | sid.inpe.br/mtc-m21b/2013/09.26.14.25.20 | |||
| 6. Notes | ||||
| Empty Fields | alternatejournal archivist callnumber copyholder copyright creatorhistory descriptionlevel e-mailaddress format isbn label lineage mark mirrorrepository nextedition notes orcid parameterlist parentrepositories previousedition previouslowerunit progress project rightsholder schedulinginformation secondarydate secondarykey secondarymark session shorttitle sponsor subject tertiarymark tertiarytype url | |||
| 7. Description control | ||||
| e-Mail (login) | simone | |||
| update | ||||