مطالعه مروری میزان دما و شوری آب‌های جنوب ایران در بازه‌ی زمانی 2005 تا 2012، با استفاده از داده‌های WOA13

نوع مقاله : مقاله پژوهشی

نویسندگان

دانشگاه هرمزگان

10.30467/nivar.2022.199862.1138

چکیده

در این مطالعه، با توجه به اهمیت کمیت‌های دما و شوری در شناخت پدیده‌های دریایی، سعی شده است تغییرات این کمیت‌ها با استفاده از داده‌های WOA13 بررسی گردد و شرایط هر یک از این کمیت‌ها در فصول مختلف سال و در عمق‌های متفاوت تعیین گردد. ازاین‌رو با انتخاب مجموعه داده‌های تاریخچه‌ای پایگاه داده WOA13 که به شکل میانگین فصلی دما و شوری در بازه‌ی زمانی 2005 تا 2012 است، به روش درون‌یابی IDWاقدام به ترسیم نقشه‌های دما و شوری در سطح، عمق 5، 20 و 50 متری شده است. به‌منظور شناخت نحوه‌ی تغییرات این کمیت‌ها در عمق نیز نقشه مقطع پروفایل عمودی در 6 خط مختلف ایجاد شده است. همچنین در ادامه نتایج حاصل نیز با کارهای صورت گرفته در منطقه‌ی موردمطالعه، مقایسه شده است. با توجه به این داده‌ها می‌توان نتیجه گرفت؛ در خلال تغییر فصل از زمستان به تابستان، شوری و دما از دریای عمان به بخش شمالی خلیج فارس افزایش پیدا می‌کند و در فصل پاییز همراه با کاهش است. این امر به‌خوبی چرخه ترموهالاین منطقه را تشریح می‌کند، همچنین به ترتیب بیشترین و کمترین میزان شوری در بخش شمالی خلیج فارس و دریای عمان، تجربه می‌شود و به ترتیب بیشترین و کمترین میزان دما مربوط به بخش مرکزی خلیج فارس (فصل تابستان) و بخش شمالی خلیج فارس (در فصل‌های زمستان و بهار) است.

کلیدواژه‌ها


عنوان مقاله [English]

A review study of the temperature and salinity of southern Iranian waters in 2005 - 2012 using WOA13 data

نویسندگان [English]

  • danial ghaderi
  • Mostafa Solgi
  • Mehrnaz Farzingohar
University of Hormozgan
چکیده [English]

In this study, considering the importance of temperature and salinity parameters in recognizing marine phenomena, changes of these parameters were investigated using WOA13 data and the conditions of each of these parameters were determined at different seasons and at different depths. Therefore, by selecting WOA13 historical data, which is the seasonal mean of temperature and salinity over the period 2005 to 2012, IDW interpolation maps of salinity and temperature at the surface, 5, 20 and 50 m were performed. In order to understand how these parameters change in depth, vertical profile cross sections maps have been created in 6 different lines. Also, the results are compared with the studies in the study area. According to the data and results it can be concluded; As the seasons change from winter to summer, salinity and temperature increase from the Oman Sea to the northern part of the Persian Gulf and decrease with autumn, This well describes the thermohaline cycle of the region. It also experiences the highest and lowest salinity in the northern part of the Persian Gulf and the Oman Sea, respectively. And, the highest and lowest temperatures, respectively, are in the central part of the Persian Gulf (summer season) and the northern part of the Persian Gulf (in winter and spring).

کلیدواژه‌ها [English]

  • Salinity changes
  • temperature changes
  • Persian Gulf
  • Gulf of Oman
  • WOA13
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دوره 46، 116-117 - شماره پیاپی 116
فروردین 1401
صفحه 110-127
  • تاریخ دریافت: 10 شهریور 1398
  • تاریخ بازنگری: 12 شهریور 1401
  • تاریخ پذیرش: 23 شهریور 1401
  • تاریخ اولین انتشار: 23 شهریور 1401