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首页> 外文期刊>Journal of Geophysical Research, C. Oceans: JGR >Interannual evolution of seasonal thermohaline properties in the Gulf of Trieste (northern Adriatic) 1991–2003
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Interannual evolution of seasonal thermohaline properties in the Gulf of Trieste (northern Adriatic) 1991–2003

机译：1991-2003年在的里雅斯特湾（北亚得里亚海）的季节性热盐特性的年际演变

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摘要

Temperature and salinity data, collected by conductivity-temperature-depth cruises over the Gulf of Trieste during 1991–2003, were analyzed using different methods. In the first analysis, the evolution within a year of monthly temperatures and salinities at the sea surface and at 10 m depth was examined. Temperature at the surface varies with an annual amplitude of 8.1 ± 0.4°C around 16.5°C, while at a depth of 10 m it varies with an amplitude of 7.0 ± 0.3°C around 15.5°C, the variation being delayed with respect to that at the surface for about 0.4 months. In the second analysis, the interannual variations of seasonal temperatures and salinities were examined. In this northernmost part of the Mediterranean Sea, summer temperatures at the surface between 1991 and 2003 were rising between 0.12 and 0.23°C/year with an error of 0.05°C/year. When the year 2003 with its extremely dry summer period was excluded from the analysis, the trend is reduced to 0.07–0.09°C/year (±0.06°C/year). Winter temperatures, however, demonstrate an increasing trend from near zero to 0.10°C/year ± 0.14°C/year when year 2003 was excluded from the analysis. Similar changes in trends have been observed for air temperatures. Summer temperatures at a depth of 10 m have a more reliable positive trend: 0.22–0.23°C/year (±0.08°C/year). Salinities obtained from the objective analysis show a most pronounced positive trend of 0.28–0.34 year?1 (±0.16 year?1). When 2003 is excluded from the analysis, this value decreased to 0.22–0.28 year?1 with an error of 0.09 year?1.
机译：使用不同的方法分析了在1991-2003年期间在的里雅斯特湾进行的电导率-温度-深度航行所收集的温度和盐度数据。在第一个分析中，检查了海面和10 m深度每月温度和盐度在一年内的变化。地表温度在16.5°C附近以8.1±0.4°C的年振幅变化，而在10 m深度处，在15.5°C附近以7.0±0.3°C的振幅变化。在表面停留约0.4个月。在第二个分析中，检查了季节温度和盐度的年际变化。在地中海最北端，1991年至2003年之间的夏季夏季温度以每年0.12至0.23°C的幅度上升，误差为0.05°C /年。如果将2003年夏季极为干燥的年份排除在分析范围之外，则趋势将降低至0.07-0.09°C /年（±0.06°C /年）。但是，当将2003年排除在分析范围之外时，冬季温度则显示出从接近零上升至0.10°C /年±0.14°C /年的趋势。对于空气温度，已经观察到类似的趋势变化。 10 m深度的夏季温度具有更可靠的正趋势：0.22-0.23°C /年（±0.08°C /年）。从客观分析获得的盐度显示出最明显的正趋势，为0.28-0.34年？1（±0.16年？1）。如果将2003年从分析中排除，则该值下降到0.22-0.28年？1，误差为0.09年？1。

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