File:Holocene_Sea_Level-es.svg
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描述Holocene Sea Level-es.svg |
![]() Català: Aquesta figura mostra els canvis al nivell del mar durant l'Holocè, el temps posterior al final del període glacial més recent, a partir de dades de Fleming et al. 1998, Fleming 2000 i Milne et al. 2005. Aquests treballs van recopilar dades de diversos informes i les van ajustar per als moviments geològics verticals posteriors, principalment els associats amb el rebot, continental i hidroisostàtic postglacial. El primer es refereix a les deformacions provocades pel pes de les plaques de gel continental que pressionen la terra, el segon es refereix a l'elevació de les zones costaneres a conseqüència de l'augment del pes de l'aigua associat a l'augment del nivell del mar. Cal tenir en compte que, a causa d'aquest darrer efecte i de l'elevació associat, moltes illes, especialment al Pacífic, van mostrar nivells del mar locals més alts a l'Holocè mitjà que els actuals. La incertesa sobre la magnitud d'aquestes correccions és la incertesa dominant en moltes mesures del canvi del nivell del mar a escala Holocè.
La corba negra es basa a minimitzar la distància ponderada per error de suma de quadrats entre aquesta corba i les dades representades. Es va construir ajustant una sèrie de punts d'enllaç especificats, normalment col·locats cada 1 kyr i obligats a anar a 0 en l'actualitat. Es van eliminar un nombre reduït de valors extrems. Cal assenyalar que alguns autors proposen l'existència de fluctuacions significatives a curt termini en el nivell del mar de manera que la corba del nivell del mar podria oscil·lar cap amunt i cap avall al voltant d'aquest estat mitjà de ~ 1 kyr. Altres ho disputen i argumenten que el canvi del nivell del mar ha estat un procés suau i gradual durant essencialment tota la longitud de l'Holocè. Independentment d'aquestes fluctuacions putatives, evidència com la presentada per Morhange et al. (2001) suggereix que en els darrers 10 kyr el nivell del mar mai ha estat més alt del que és actualment.
English: This figure shows changes in sea level during the Holocene, the time following the end of the most recent glacial period, based on data from Fleming et al. 1998, Fleming 2000, & Milne et al. 2005. These papers collected data from various reports and adjusted them for subsequent vertical geologic motions, primarily those associated with post-glacial continental and hydroisostatic rebound. The first refers to deformations caused by the weight of continental ice sheets pressing down on the land, the latter refers to uplift in coastal areas resulting from the increased weight of water associated with rising sea levels. It should be noted that because of the latter effect and associated uplift, many islands, especially in the Pacific, exhibited higher local sea levels in the mid Holocene than they do today. Uncertainty about the magnitude of these corrections is the dominant uncertainty in many measurements of Holocene scale sea level change.
The black curve is based on minimizing the sum of squares error weighted distance between this curve and the plotted data. It was constructed by adjusting a number of specified tie points, typically placed every 1 kyr and forced to go to 0 at the modern day. A small number of extreme outliers were dropped. It should be noted that some authors propose the existence of significant short-term fluctuations in sea level such that the sea level curve might oscillate up and down about this ~1 kyr mean state. Others dispute this and argue that sea level change has been a smooth and gradual process for essentially the entire length of the Holocene. Regardless of such putative fluctuations, evidence such as presented by Morhange et al. (2001) suggests that in the last 10 kyr sea level has never been higher than it is at present. |
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日期 | (translated into Spanish 2012-07-18) | ||||||||
來源 | Image:Holocene Sea Level.png by Robert A. Rohde. This figure was prepared by Robert A. Rohde from published data, and is incorporated into the Global Warming Art project. Translation in french and conversion to svg was done by SuperManu | ||||||||
作者 | Robert A. Rohde, translated to French by SuperManu, translated to Spanish by Nachosan | ||||||||
授權許可 (重用此檔案) |
Image from Global Warming Art
This image is an original work created for Global Warming Art. Please refer to the image description page for more information.
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其他版本 |
File:Holocene Sea Level-es.svg has 2 translations.
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References
- Fleming, Kevin, Paul Johnston, Dan Zwartz, Yusuke Yokoyama, Kurt Lambeck and John Chappell (1998). "Refining the eustatic sea-level curve since the Last Glacial Maximum using far- and intermediate-field sites". Earth and Planetary Science Letters 163 (1-4): 327-342. doi:10.1016/S0012-821X(98)00198-8
- Fleming, Kevin Michael (2000年) 《 Glacial Rebound and Sea-level Change Constraints on the Greenland Ice Sheet》、Australian National University PhD Thesis
- Milne, Glenn A., Antony J. Long and Sophie E. Bassett (2005). "Modelling Holocene relative sea-level observations from the Caribbean and South America". Quaternary Science Reviews 24 (10-11): 1183-1202. doi:10.1016/j.quascirev.2004.10.005
- Morhange, C., J. Laborel, A. Hesnard (2001). "Changes of relative sea level during the past 5000 years in the ancient harbor of Marseilles, Southern France". Palaeogeography, Palaeoclimatology, Palaeoecology 166: 319-329.
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目前 | 2022年3月19日 (六) 00:46 | ![]() | 512 × 364(31 KB) | Manlleus | File uploaded using svgtranslate tool (https://svgtranslate.toolforge.org/). Added translation for ca. |
2012年7月18日 (三) 20:14 | ![]() | 512 × 364(25 KB) | Nachosan |
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