Lab 6 LAB 6-Climate Key Ideas Tundra Koppen climase system Climate coatrols Humi
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Lab 6 LAB 6-Climate Key Ideas Tundra Koppen climase system Climate coatrols Humid vs. arid climates Discussio Climate Classification given location, It is typically and Climate is often defined as the long-serm average of weather for a represented by long-term monthly average values of the bwo major epitation. Where climate is concerned, averages should be determined from at least 30 years To represent a location's climate, we need long-term averages of mean monthly weather temperatures and monthly Once calculatod, these values are typically portrayed on a distinctive graph, called a Chimographs show average moethly precipitation as a bar graph along the lower part of the axis and mean monthly temperature on the upper part of the vertical axis. Because climate is an average, more places have similar climate than have similar weather. can be classified as one of a dozen or so principal climate types. on of climates helips scientists understand how the atmospherie system works and how the s hasically a gencralizing technique. Using long-term averages, all places on the goes beyond classifying locations as belonging to one climate type or another. The The importance of oceam, land, and atmosphere systems interact. Many scientists today are working on the problem of elimate prediction for the future. In order to achieve that goal, they mast understand t our present elimates he complexities The Koppen Systemm A few climate classification schemes have been developed by geographers over the last 125 years Köppen 's system of climate classification is the most well-known and most widely used scheme. In developing his scheme, Köppen realized that the types of plants growing in an area strongly reflect the area's elimate variables. Using maps of natural vegetation, Koppen helped explain the global spatial organization of climates. A fundamental premise of Köppen's system is that different types of plants have certain critical temperatures. These are: 64.4 F Tropical plants need a mean monthly temperature of at least 64.4°F (18 C) in order S0°F Many plants need a mean monthly temperature of at least 50°F (10°C) in order to 7.6"F -Some plants require a mean monthly temperature of at least .6FO22C) in order to to reproduce. germinate reproduce. 32 F -Vegetation becomes dormant when water freezes (0C). 49 GEO 121 D-G- Spring 20 aph 2Explanation / Answer
Ai) Since the average temperature of the warmest month in the climograph is greater than 50o F ( around 55o F ) and the coldest month has a temperature of 35oF which is well within the limit of 32 and 64.4 oF, this can be classified into C type humid climate.
Since the precipitation is more or less uniformly distributed all year long and there are no 6month periods where the precipitation varies as much as 1/10th of the wettest month, this is 'f' subtype of C type climate
The three warmest months of June, July and August have a mean monthly temperature of greater than or equal to 50oF , this is the characteristic of c subtype of C climate.
Therefore the Koppen letter classification would be Cfc.
Aii) Since the warmest month has a temperature of around 70-75oF well above the cutoff of 50oF and the coldest month has an average temperature of around 20oF well below the cutoff of 35oF t, this climograph belongs to D type of climate.
Since the precipitation in the driest month of the winter is around 1.5inches which is not less than 1/10th of the amount in the wettest summer month that is around 4inches, this is the ‘f’ subtype of D type climate.
The average temperature of the warmest month July is greater than 71.4oF which makes this a ‘a’ subtype of D type climate.
Therefore the Koppen letter symbol for the climate represented by the climograph is Dfa.
B. i ) Based on the Koppen letter classification i.e. Cfc , the descriptive name for climograph 1 is marine west coast climate
B.ii) Based on the Koppen letter classification i.e. Dfa , the descriptive name for climograph 1 is humid continental climate.
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