Recent questions tagged ocean-sciences

Which of the following statements based on the given figure is / are TRUE with respect to the upwelling process in the ocean?Wind is northerly.Wind is southerly.Event occ...

From the given cases ( $\mathrm{P}, \mathrm{Q}, \mathrm{R}$ and $\mathrm{S}$), which represents the annual mean profile of dissolved oxygen in the Bay of Bengal?$\mathrm{...

The given figure illustrates a subtropical gyre in the Southern Indian Ocean. Identify the currents in the correct sequence of $\mathrm{P}, \mathrm{Q}, \mathrm{R}$ and $\...

Which of the following is/are generally associated within a cyclonic eddy in the northern Indian Ocean?UpwellingPositive sea level anomalyNegative sea level anomalyDownwe...

Which of the following statements is/are correct for the Equatorial Indian Ocean during a positive Indian Ocean Dipole event?Strong surface westerly windsWeak surface wes...

A steady westerly wind is blowing over the ocean surface at a latitude of $30^{\circ} \mathrm{N}$ and exerting a wind stress of $0.8 \mathrm{~N} \mathrm{~m}^{-2}$.The mag...

​​​Which one of the following is the main reason why tropical cyclones rarely form over the Bay of Bengal during the summer monsoon season?Strong vertical wind shear.Weak...

​​​​​Which one of the following is the main cause of the land-sea temperature contrast that drives phenomena like sea breeze and the Indian summer monsoon?Difference in t...

​​​​The directions of the South Pacific Subtropical Gyre and the North Atlantic Subtropical Gyre are $\_\_\_\_\_$ and $\_\_\_\_\_$, respectively.clockwise; counter-clockw...

​​​​​The time period of the inertial oscillation at a location $\textsf{R}$ is $1.5$ times that of a particle moving at a speed of $0.5 \mathrm{~m} \mathrm{~s}^{-1}$ at a...

​​​Which of the following Period(s) correspond(s) to wind waves?$5$ seconds$20$ seconds$6$ hours$12$ hours

Acceleration due to Coriolis force of a water parcel at a location $\mathrm{P}\left(67^{\circ} \mathrm{E}, 20^{\circ} \mathrm{N}\right)$ moving with a speed of $0.35 \mat...

​​​The sea surface height concentric isolines ($\mathbf{L1}$ and $\mathbf{L2}$ in $\mathrm{cm}$ ) and the distance between them ( $\mathbf{d} \mathbf{x}$ in $\mathrm{km}$...

​​​​The vertical (depth) profiles for three parameters $\mathbf{P1}$, $\mathbf{P2}$, and $\mathbf{P3}$ in the northern Indian Ocean are given in the figure below. The val...

​​​​The zonal gradient of meridional current and the meridional gradient of zonal current is $-0.3 \times 10^{-3} \mathrm{~s}^{-1}$ and $0.3 \times 10^{-3} \mathrm{~s}^{-...

​​​​​The north-Atlantic deep-water is associated with $\_\_\_\_\_\_\_$low temperature and low salinityhigh temperature and high salinityhigh temperature and low salinityl...

The Sea Surface Temperature, Air Temperature and $10 \: m$ Wind Speed at the locations $\textsf{P}$ and $\textsf{Q}$ are given in the table below.[Assume the density of a...

A westerly wind is blowing in the Northern Hemisphere. What is the direction of net mass transport in the Ekman layer?SouthwardNorthwardNorth-EastwardSouth-Westward

Transfer of energy between ocean and atmosphere in the form of sensible heat flux is due todifference in specific humidity between ocean and atmospheredifference in tempe...

A value of outgoing long-wave radiation $\text{(OLR)}$ $<200 \mathrm{~W} \mathrm{~m}^{-2}$ over the tropical oceans indicates ___________high pressure regiondeep convecti...