Ordering Geographic Trenches: South to North
The question asks to arrange four major oceanic trenches based on their geographic location, specifically from South to North.
Locating the Trenches
To determine the correct sequence, we need to identify the approximate latitude or general geographic position of each trench:
- South Sandwich Trench: Located in the South Atlantic Ocean, southeast of South America. This is the southernmost trench among the options.
- Puerto Rico Trench: Located in the Atlantic Ocean, north of Puerto Rico. It lies significantly north of the South Sandwich Trench.
- Japan Trench: Located in the western Pacific Ocean, east of Japan. This trench is in the Northern Hemisphere, further north than the Puerto Rico Trench.
- Kuril Trench: Located in the northwestern Pacific Ocean, northeast of Japan, extending from north of Japan towards the Kamchatka Peninsula. It is situated slightly north of the Japan Trench.
Determining the South to North Sequence
Based on their locations, the order from South to North is:
- South Sandwich Trench (Southern Hemisphere, Atlantic)
- Puerto Rico Trench (Northern Hemisphere, Atlantic)
- Japan Trench (Northern Hemisphere, Pacific)
- Kuril Trench (Northern Hemisphere, Pacific - north of Japan Trench)
Therefore, the correct sequence is South-Sandwich Trench - Puerto Rico Trench - Japan Trench - Kuril Trench.
Important Questions from Oceanography
- What does the term 'halocline' refer to in oceanography?
Match List I with List II.
List – I List – II A. Albatross Plateau I. North Atlantic Ocean Ocean B. Telegraph Plateau II. North-West Pacific Ocean C. Amsterdam–St Paul Plateau III. South-East Pacific D. Kuril–Kamchatka Trench IV. Indian Ocean Arrange the following five zones of the pelagic region of an ocean in the increasing order of its depth from the surface.
1. Mesopelagic
2. Epipelagic
3. Abyssopelagic
4. Bathypelagic
5. Hadopelagic
Choose the correct answer from the options given below:- Consider the following statements relating to Sea Salinity :
1. The ocean salinity depends on evaporation and precipitation
2. Any change in the temperature or density influences the salinity
3. Major source of sea salinity is terrestrial discharge by rivers
Which of the statements given above are correct? If a place is affected by Tide at 6:00 AM Monday, normally at what time the same place will be affected by Ebb?
