Answered: Distribution of Land and Water The…

Applications and Investigations in Earth Science (9th Edition)

9th Edition

ISBN:9780134746241

Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa

Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa

Chapter1: The Study Of Minerals

Section: Chapter Questions

Problem 1LR

See similar textbooks

Related questions

Question

Transcribed Image Text:Introduction to Oceanography ACTIVITY 3 Introduction to Oceanography ACTIVITY 1B Distribution of Land and Water The total area of Earth is about 510 million square kilometers (197 million square miles). Of this, approximately 360 million square kilometers (140 million square miles) are covered by oceans and adjacent marginal seas. Use this information to complete Questions 1 and 2. 1. What percentage of Earth's surface is covered by oceans and marginal seas? Area of oceans and marginal seas x 100% = % ocean Area of Earth 2. What percentage of Earth's surface is land? % land 3. Referring to Figure 1, which hemisphere, Northern or Southern, could be called the "water" hemisphere and which the "land" hemisphere? Water hemisphere: Land hemisphere: 4. Use Figure 2,. which shows the distribution of land and water in 5° latitude belts, to answer the following. a. How much area is covered by land in the belt between 60° and 65° north latitude? million km? b. How much area is covered by water in the belt 90 between 60° and 65° north latitude? 75° Arctic million km? N 60° c. How much area is covered by land in the belt between 60° and 65° south latitude? r 45° LAND AREAS million km? Atlantic h 30° d. How much area is covered by water in the belt 15° between 60° and 65° south latitude? ALL OCEAN AREAS COMBINED 0° million km? 5. Using the data from Question 4, calculate the percentage of area that is land in the belt between 60° and 65° north latitude. (To calculate percentage, divide the area covered by land by the total area 15° Pacific S 30° u 45° Indian covered by land and water. Then multiply your answer by 100%.) h 60° 75° % land 90°L 100 75 50 25 6. Using Questions 4 and 5 as a guide, calculate the percentage of the area that is water in the belt between 45° and 50° south latitude. 0 25 50 75 100 125 150 175 Millions of square kilometers per 5° latitude zone % water A Figure 2 Distribution of land and water in each 5° latitude belt. 2 Measuring Ocean Depths 1 Use echo sounding data to calculate ocean depths and construct an ocean-floor profile. Charting the shape of the ocean floor, called bathymetry, is a basic task of oceanogra- phers. In the 1920s, a technological breakthrough for determining ocean depths occurred

Expert Solution