Sea Surface Temperature in the Mediterranean: Trends and Spatial Patterns (1982–2016)

Pastor, Francisco; Valiente, José; Palau, J. L.

doi:10.1007/s00024-017-1739-z

Cited by 138 publications

(117 citation statements)

References 35 publications

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“…Simulated surface temperatures this time show a smaller positive bias, a better trend, and, in general, a better agreement with MEDHYMAP data set than with the satellite‐based product. The results of the simulation are also in agreement with the mean SST trends proposed by Pastor et al (), Nabat et al (), and Kennedy et al () for the Mediterranean Sea between 1982 and 2012. Simulated temperatures at depth are well represented, particularly in terms of basin‐mean values, interannual variability, and trend (see Table S2).…”

Section: Resultssupporting

confidence: 90%

Past Variability of Mediterranean Sea Marine Heatwaves

Darmaraki

Somot

Sevault

et al. 2019

Geophysical Research Letters

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Marine heatwaves (MHWs) are episodes of anomalous warming in the ocean, responsible for widespread impacts on marine ecosystems. For the first time summer MHW variability at surface and three ecosystem‐relevant depths of the upper Mediterranean Sea are assessed here for 1982–2017. We apply a MHW detection algorithm on a hindcast simulation, performed with a high‐resolution, fully coupled regional climate system model. Identified surface events last, on average, 15 days with a mean intensity of 0.6 °C above threshold and a maximum sea surface coverage of around 39%. Subsurface events are seasonally shifted and appear, on average, longer and more intense but less frequent and less extended in space than surface MHWs. We also find significant trends of increase in most MHW properties throughout the period, with severe surface MHWs detected for the first time in 2012, 2015, and 2017. However, MHW spatial ≪ hot spots ≫ are inhomogeneously distributed in surface and deeper layers.

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Section: Resultssupporting

confidence: 90%

Past Variability of Mediterranean Sea Marine Heatwaves

Darmaraki

Somot

Sevault

et al. 2019

Geophysical Research Letters

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“…Monthly mean SST for the eastern Adriatic Sea in October and in November during 2 consecutive sampling years was in accordance with the climatological mean monthly SST (Pastor et al 2018), with a temperature deviation of 1 to 2°C from the mean values ( Figs. S4 & S5).…”

Section: Lwr and Biometric Indicessupporting

confidence: 70%

Morphological and ecophysiological adaptations of wild gilthead seabream Sparus aurata associated with tuna farms

Talijančić¹,

Šegvić-Bubić²,

Žužul³

et al. 2019

Aquacult. Environ. Interact.

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Morphological and ecophysiological traits of wild, farmed and wild farm-associated gilthead seabream Sparus aurata were used to assess the degree of phenotypic adaptation of the species to their respective environments. Geometric morphometrics revealed clear body shape differentiation amongst the 3 types of populations, whereby sig nificant differences were noted in head profile and the anterior-body region of the fish. Morphological resemblance was recorded among 2 gilthead seabream populations associated with tuna farms, indicating that they share the same phenotypic responsiveness pattern. Adaptation in reproductive investment strategy was observed in individuals from farm-associated origin, displaying the highest gonadosomatic index but lowest condition in comparison to their farmed and wild counterparts. Multinomial logistic regression revealed that sex change from male to female with increasing length was more pronounced in farm-associated fish than in farmed and and wild fish. These findings demonstrate a significant influence of the environmental factors inherent to tuna farms on the phenotypic characteristics of gilthead seabream, providing a basis for further research on the ecological effects of tuna farms on local marine populations.

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“…More recently, using the same dataset, the authors of both [21] and [22] estimated a mean warming trend of~0.036 • C/year for the whole Mediterranean Sea, although looking at different periods: from 1993 to 2017 and from 1982 to 2016, respectively. The authors of [23] investigated decadal variability in the Mediterranean SST on a 24-year period , making use of a regionally optimized satellite-based SST dataset over the Mediterranean Sea [24] and in situ-based SST data.…”

Section: Introductionmentioning

confidence: 99%

New Evidence of Mediterranean Climate Change and Variability from Sea Surface Temperature Observations

et al. 2020

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Estimating long-term modifications of the sea surface temperature (SST) is crucial for evaluating the current state of the oceans and to correctly assess the impact of climate change at regional scales. In this work, we analyze SST variations within the Mediterranean Sea and the adjacent Northeastern Atlantic box (west of the Strait of Gibraltar) over the last 37 years, by using a satellite-based dataset from the Copernicus Marine Environment Monitoring Service (CMEMS). We found a mean warming trend of 0.041 ± 0.006 ∘ C/year over the whole Mediterranean Sea from 1982 to 2018. The trend has an uneven spatial pattern, with values increasing from 0.036 ± 0.006 ∘ C/year in the western basin to 0.048 ± 0.006 ∘ C/year in the Levantine–Aegean basin. The Northeastern Atlantic box and the Mediterranean show a similar trend until the late 1990s. Afterwards, the Mediterranean SST continues to increase, whereas the Northeastern Atlantic box shows no significant trend, until ~2015. The observed change in the Mediterranean Sea affects not only the mean trend but also the amplitude of the Mediterranean seasonal signal, with consistent relative increase and decrease of summer and winter mean values, respectively, over the period considered. The analysis of SST changes occurred during the “satellite era” is further complemented by reconstructions also based on direct in situ SST measurements, i.e., the Extended Reconstructed SST (ERSST) and the Hadley Centre Sea Ice and Sea Surface Temperature dataset (HadISST), which go back to the 19th century. The analysis of these longer time series, covering the last 165 years, indicates that the increasing Mediterranean trend, observed during the CMEMS operational period, is consistent with the Atlantic Multidecadal Oscillation (AMO), as it closely follows the last increasing period of AMO. This coincidence occurs at least until 2007, when the apparent onset of the decreasing phase of AMO is not seen in the Mediterranean SST evolution.

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Sea Surface Temperature in the Mediterranean: Trends and Spatial Patterns (1982–2016)

Cited by 138 publications

References 35 publications

Past Variability of Mediterranean Sea Marine Heatwaves

Past Variability of Mediterranean Sea Marine Heatwaves

Morphological and ecophysiological adaptations of wild gilthead seabream Sparus aurata associated with tuna farms

New Evidence of Mediterranean Climate Change and Variability from Sea Surface Temperature Observations

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