The interannual variability and trend of precipitable water over southern Greece
| dc.contributor.author | Kassomenos, P. A. | en |
| dc.contributor.author | McGregor, G. R. | en |
| dc.date.accessioned | 2015-11-24T18:33:39Z | |
| dc.date.available | 2015-11-24T18:33:39Z | |
| dc.identifier.issn | 1525-755X | - |
| dc.identifier.uri | https://olympias.lib.uoi.gr/jspui/handle/123456789/16772 | |
| dc.rights | Default Licence | - |
| dc.subject | radiosonde temperature data | en |
| dc.subject | sea-breeze | en |
| dc.subject | vapor flux | en |
| dc.subject | surface temperature | en |
| dc.subject | mediterranean sea | en |
| dc.subject | temporal homogenization | en |
| dc.subject | hydrological cycle | en |
| dc.subject | climate models | en |
| dc.subject | satellite data | en |
| dc.subject | united-states | en |
| dc.title | The interannual variability and trend of precipitable water over southern Greece | en |
| heal.abstract | The precipitable water (PW) content was estimated over southern Greece for three atmospheric layers, using 28-yr twice-daily radiosonde measurements of temperature, humidity, and atmospheric pressure. Precipitable water demonstrates considerable variation at the monthly and interannual time scales as well as statistically significant upward trends at the annual level and for June-August (JJA) and September-November (SON). The relationship between PW and surface climate was also found to vary by season and surface climate variable. Disaggregation of seasonal PW trends by synoptic type revealed that seasonal trends might be attributed to increases in moisture in a limited number of airmass types such that maritime air masses appear to be becoming moister while their continental counterparts are drying. Despite fundamental changes to the intrinsic PW properties of air masses for some synoptic categories, the significance of these for determining the overall trend in seasonal PW levels is related to their weighted contribution as determined by changing airmass frequency. Consequently, the climatological effects of a moistening or drying air mass may be offset by a declining frequency. It is also shown that increasing PW trends cannot be attributed unequivocally to airmass warming as significant increases in PW have occurred in conjunction with falling temperatures in some seasons and airmass types. Accordingly. factors other than the commonly assumed global-warming-related increase in atmospheric moisture via the link between temperature and saturation vapor pressure must be considered if the mechanisms responsible for PW trends over southern Greece are to be fully understood. | en |
| heal.access | campus | - |
| heal.fullTextAvailability | TRUE | - |
| heal.identifier.secondary | <Go to ISI>://000237388400004 | - |
| heal.identifier.secondary | http://journals.ametsoc.org/doi/pdf/10.1175/JHM484.1 | - |
| heal.journalName | Journal of Hydrometeorology | en |
| heal.journalType | peer reviewed | - |
| heal.language | en | - |
| heal.publicationDate | 2006 | - |
| heal.recordProvider | Πανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών και Τεχνολογιών. Τμήμα Βιολογικών Εφαρμογών και Τεχνολογιών | el |
| heal.type | journalArticle | - |
| heal.type.el | Άρθρο Περιοδικού | el |
| heal.type.en | Journal article | en |
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