البحيرات العظمى (أمريكا الشمالية): الفرق بين النسختين

 
== الجغرافيا ==
=== قياسات الأعماق ===
{| class="wikitable" style="text-align:center; width:100%;" cellpadding="5px"
|-
 
!
![[بحيرة إري]]<ref>http://www.epa.gov/greatlakes/</ref>
![[بحيرة هرون]]
![[بحيرة ميشيغان]]
![[بحيرة أونتاريو]]
![[بحيرة سوبيريور]]
|-
! مساحة السطح
| {{convert|9910|sqmi|km2|abbr=on}}
| {{convert|23000|sqmi|km2|abbr=on}}
| {{convert|22300|sqmi|km2|abbr=on}}
| {{convert|7340|sqmi|km2|abbr=on}}
| {{convert|31700|sqmi|km2|abbr=on}}
|-
! كمية المياه
| 480 كم<sup>3</sup>
| 3,500 كم<sup>3</sup>
| 4,900 كم<sup>3</sup>
|1,640 كم<sup>3</sup>
|12,000 كم<sup>3</sup>
|-
! الإرتفاع
| {{convert|571|ft|m|abbr=on}}
| {{convert|577|ft|m|abbr=on}}
| {{convert|577|ft|m|abbr=on}}
| {{convert|246|ft|m|abbr=on}}
| {{convert|600.0|ft|m|abbr=on}}
|-
! متوسط العمق
| {{convert|62|ft|m|abbr=on}}
| {{convert|195|ft|m|abbr=on}}
| {{convert|279|ft|m|abbr=on}}
| {{convert|283|ft|m|abbr=on}}
| {{convert|483|ft|m|abbr=on}}
|-
!أقصى عمق
| {{convert|210|ft|m|abbr=on}}
| {{convert|748|ft|m|abbr=on}}
| {{convert|925|ft|m|abbr=on}}
| {{convert|804|ft|m|abbr=on}}
| {{convert|1335|ft|m|abbr=on}}
|-
! مدن الحوض
| [[Buffalo, New York|Buffalo, NY]]<br />[[Cleveland|Cleveland, OH]]<br />[[Erie, Pennsylvania|Erie, PA]]<br />[[Toledo, Ohio|Toledo, OH]]
| [[Alpena, Michigan|Alpena, MI]]<br />[[Bay City, Michigan|Bay City, MI]]<br />[[Owen Sound|Owen Sound, ON]]<br />[[Port Huron, Michigan|Port Huron, MI]]<br />[[Sarnia|Sarnia, ON]]
| [[Chicago|Chicago, IL]]<br />[[Gary, Indiana|Gary, IN]]<br />[[Green Bay, Wisconsin|Green Bay, WI]]<br />[[Milwaukee|Milwaukee, WI]]<br />[[Kenosha, Wisconsin|Kenosha, WI]]<br />[[Racine, Wisconsin|Racine, WI]]<br />[[Muskegon, Michigan|Muskegon, MI]]<br />[[Traverse City, Michigan|Traverse City, MI]]
| [[Hamilton, Ontario|Hamilton, ON]]<br />[[Kingston, Ontario|Kingston, ON]]<br/>[[Oshawa|Oshawa, ON]]<br />[[Rochester, New York|Rochester, NY]]<br />[[Toronto|Toronto, ON]]<br />
| [[Duluth, Minnesota|Duluth, MN]]<br />[[Marquette, Michigan|Marquette, MI]]<br />[[Sault Ste. Marie, Michigan|Sault Ste. Marie, MI]]<br />[[Sault Ste. Marie, Ontario|Sault Ste. Marie, ON]]<br />[[Superior, Wisconsin|Superior, WI]]<br />[[Thunder Bay|Thunder Bay, ON]]
|}
{| border="0" cellspacing="2" cellpadding="0" style="width:600px; font-size:smaller; clear:both;"
|+ style="font-size:larger;"| '''الإرتفاعات النسبية و متوسط العمق و أقصى عمق و كمية المياه'''
|-
|colspan=2|
<timeline>
ImageSize = width:595 height:250
PlotArea = width:525 height:200 left:50 bottom:15
AlignBars = justify
 
Period = from:-1000 till:600
TimeAxis = orientation:vertical
ScaleMajor = unit:year increment:500 start:-1000
ScaleMinor = unit:year increment:100 start:-1000
 
Colors =
id:blue1 value:rgb(0.0,0.0,0.75)
id:blue2 value:rgb(0.1,0.1,0.8)
id:blue3 value:rgb(0.2,0.2,0.85)
id:blue4 value:rgb(0.3,0.3,0.9)
id:blue5 value:rgb(0.4,0.4,0.95)
id:textinbar value:yelloworange
id:textoutsidebar value:redorange
 
Define $elevation = shift:(0,15) mark:(line,textoutsidebar) textcolor:textoutsidebar
Define $avgdepth = mark:(line,textinbar) textcolor:textinbar
Define $maxdepth = shift:(0,-11) mark:(line,textoutsidebar) textcolor:textoutsidebar
 
PlotData=
align:center
 
bar:Superior from:-732 till:600 width:194 color:blue1
$elevation at:600 text:"600&nbsp;ft (183&nbsp;m)"
$avgdepth at:117 shift:(0,1) text:"483&nbsp;ft (147&nbsp;m)"
$maxdepth at:-732 text:"1,332&nbsp;ft (406&nbsp;m)"
 
bar:Michigan from:-348 till:577 width:113 color:blue5
$elevation at:577 text:"577&nbsp;ft (176&nbsp;m)"
$avgdepth at:298 shift:(0,2) text:"279&nbsp;ft (85&nbsp;m)"
$maxdepth at:-348 text:"925&nbsp;ft (282&nbsp;m)"
 
bar:Huron from:-173 till:577 width:101 color:blue3
$elevation at:577 text:"577&nbsp;ft (176&nbsp;m)"
$avgdepth at:382 shift:(0,1) text:"195&nbsp;ft (59&nbsp;m)"
$maxdepth at:-173 text:"750&nbsp;ft (229&nbsp;m)"
 
bar:Erie from:359 till:569 width:49 color:blue2
$elevation at:569 text:"569&nbsp;ft (173&nbsp;m)"
$avgdepth at:507 align:left shift:(30,2) text:"62&nbsp;ft (19&nbsp;m)"
$maxdepth at:359 text:"210&nbsp;ft (64&nbsp;m)"
 
bar:Ontario from:-559 till:243 width:44 color:blue4
$elevation at:243 text:"243&nbsp;ft (74&nbsp;m)"
$avgdepth at:-40 shift:(0,2) text:"283&nbsp;ft (86&nbsp;m)"
$maxdepth at:-559 text:"802&nbsp;ft (244&nbsp;m)"
 
align:left shift:(35,0) textcolor:green
at:243 text:"surface~elevation"
at:-40 text:"average~depth"
at:-559 text:"maximum~depth"
</timeline>
|- valign=top
!align=right| Notes:
| The area of each rectangle is proportionate to the volume of each lake. All measurements at Low Water Datum.
|- valign=top
!align=right| Source:
| [[United States Environmental Protection Agency|EPA]]<ref name=EPA>{{cite web |url=http://www.epa.gov/glnpo/atlas/gl-fact1.html |title=Great Lakes Atlas: Factsheet #1 |accessdate=2007-12-03 |date=March, 9th, 2006 |language= English and [http://www.epa.gov/glnpo/atlas/gl-fact1-f.html French] |publisher=United States Environmental Protection Agency}}</ref>
|}
 
 
 
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