Question 1953Navigation General70% to pass
When the declination of the Moon is 0°12.5'S, you can expect some tidal currents in Gulf Coast ports to _______________.
AI Explanation
The correct answer is D) become weak and variable.
When the declination of the Moon is 0°12.5'S, the Moon is positioned directly over the equator, which results in a reduced tidal range and weaker tidal currents in Gulf Coast ports. This is because the Moon's gravitational pull is exerted equally on both sides of the equator, leading to a cancellation of the tidal forces and resulting in weak and variable tidal currents.
The other options are incorrect because: A) the tidal currents would not exceed the predicted velocities, B) there would not be a double ebb or double flood, and C) the currents would not become reversing currents, as they would remain weak and variable due to the Moon's position over the equator.
Related Questions
#1951 The velocity of the current in large coastal harbors is _______________.#1952 How many slack tidal currents usually occur each day on the east coast of the United States? #1954 In a river subject to tidal currents, the best time to dock a ship without the assistance of tugs is _______________.#1955 The velocity of a rotary tidal current will be decreased when the Moon is _______________.#1956 The velocity of a rotary tidal current will increase when the Moon is _______________.