{"id":610,"date":"2016-09-29T20:32:51","date_gmt":"2016-09-29T20:32:51","guid":{"rendered":"https:\/\/courses.lumenlearning.com\/geophysical\/?post_type=chapter&#038;p=610"},"modified":"2017-04-19T22:16:28","modified_gmt":"2017-04-19T22:16:28","slug":"streams-and-rivers","status":"publish","type":"chapter","link":"https:\/\/courses.lumenlearning.com\/suny-geophysical\/chapter\/streams-and-rivers\/","title":{"raw":"Streams and Rivers","rendered":"Streams and Rivers"},"content":{"raw":"<img class=\"alignright wp-image-630\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/250\/2016\/09\/17224521\/Colorado.jpg\" alt=\"A river flowing between two mountains\" width=\"349\" height=\"233\" \/>Fresh water in streams, ponds, and lakes is an extremely important part of the water cycle if only because of its importance to living creatures. Along with wetlands, these fresh water regions contain a tremendous variety of organisms.<strong>Streams<\/strong> are bodies of water that have a current; they are in constant motion. Geologists recognize many categories of streams depending on their size, depth, speed, and location. Creeks, brooks, tributaries, bayous, and rivers might all be lumped together as streams. In streams, water always flows downhill, but the form that downhill movement takes varies with rock type, topography, and many other factors. Stream erosion and deposition are extremely important creators and destroyers of landforms and were described in the Erosion and Deposition chapter.\r\n<h2>Parts of a Stream<\/h2>\r\n<img class=\"alignright wp-image-631\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/250\/2016\/09\/17224900\/River_source_-_geograph.org_.uk_-_380822.jpg\" alt=\"Water flowing down a mountain.\" width=\"350\" height=\"263\" \/>Oddly enough, there are a variety of <a href=\"http:\/\/water.epa.gov\/type\/rsl\/streams.cfm#types\" target=\"_blank\">different types<\/a> streams. A stream originates at its source. A <strong>source<\/strong> is likely to be in the high mountains where snows collect in winter and melt in summer, or a source might be a spring. A stream may have more than one sources and when two streams come together it's called a\u00a0<strong>confluence<\/strong>. The smaller of the two streams is a <strong>tributary<\/strong> of the larger stream.\u00a0A stream may create a pool where water slows and becomes deeper.The point at which a stream comes into a large body of water, like an ocean or a lake is called the mouth. Where the stream meets the ocean or lake is an <strong>estuary<\/strong>.\u00a0The mix of fresh and salt water where a river runs into the ocean creates a diversity of environments where many different types of organisms create unique ecosystems.\r\n<h2>Rivers<\/h2>\r\n<strong>Rivers<\/strong> are the largest types of stream, moving large amounts of water from higher to lower elevations. The Amazon River, the world\u2019s river with the greatest flow, has a flow rate of nearly 220,000 cubic meters per second! People have used rivers since the beginning of civilization as a source of water, food, transportation, defense, power, recreation, and waste disposal.\r\n\r\n<img class=\"aligncenter size-full wp-image-632\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/250\/2016\/09\/17225630\/figure3.jpg\" alt=\"A three part image: a confluence, a tributary, and an estuary.\" width=\"2478\" height=\"659\" \/>","rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-630\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/250\/2016\/09\/17224521\/Colorado.jpg\" alt=\"A river flowing between two mountains\" width=\"349\" height=\"233\" \/>Fresh water in streams, ponds, and lakes is an extremely important part of the water cycle if only because of its importance to living creatures. Along with wetlands, these fresh water regions contain a tremendous variety of organisms.<strong>Streams<\/strong> are bodies of water that have a current; they are in constant motion. Geologists recognize many categories of streams depending on their size, depth, speed, and location. Creeks, brooks, tributaries, bayous, and rivers might all be lumped together as streams. In streams, water always flows downhill, but the form that downhill movement takes varies with rock type, topography, and many other factors. Stream erosion and deposition are extremely important creators and destroyers of landforms and were described in the Erosion and Deposition chapter.<\/p>\n<h2>Parts of a Stream<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-631\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/250\/2016\/09\/17224900\/River_source_-_geograph.org_.uk_-_380822.jpg\" alt=\"Water flowing down a mountain.\" width=\"350\" height=\"263\" \/>Oddly enough, there are a variety of <a href=\"http:\/\/water.epa.gov\/type\/rsl\/streams.cfm#types\" target=\"_blank\">different types<\/a> streams. A stream originates at its source. A <strong>source<\/strong> is likely to be in the high mountains where snows collect in winter and melt in summer, or a source might be a spring. A stream may have more than one sources and when two streams come together it&#8217;s called a\u00a0<strong>confluence<\/strong>. The smaller of the two streams is a <strong>tributary<\/strong> of the larger stream.\u00a0A stream may create a pool where water slows and becomes deeper.The point at which a stream comes into a large body of water, like an ocean or a lake is called the mouth. Where the stream meets the ocean or lake is an <strong>estuary<\/strong>.\u00a0The mix of fresh and salt water where a river runs into the ocean creates a diversity of environments where many different types of organisms create unique ecosystems.<\/p>\n<h2>Rivers<\/h2>\n<p><strong>Rivers<\/strong> are the largest types of stream, moving large amounts of water from higher to lower elevations. The Amazon River, the world\u2019s river with the greatest flow, has a flow rate of nearly 220,000 cubic meters per second! People have used rivers since the beginning of civilization as a source of water, food, transportation, defense, power, recreation, and waste disposal.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-632\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/250\/2016\/09\/17225630\/figure3.jpg\" alt=\"A three part image: a confluence, a tributary, and an estuary.\" width=\"2478\" height=\"659\" \/><\/p>\n\n\t\t\t <section class=\"citations-section\" role=\"contentinfo\">\n\t\t\t <h3>Candela Citations<\/h3>\n\t\t\t\t\t <div>\n\t\t\t\t\t\t <div id=\"citation-list-610\">\n\t\t\t\t\t\t\t <div class=\"licensing\"><div class=\"license-attribution-dropdown-subheading\">CC licensed content, Shared previously<\/div><ul class=\"citation-list\"><li>Dynamic Earth: Introduction to Physical Geography. <strong>Authored by<\/strong>: R. Adam Dastrup. <strong>Located at<\/strong>: <a target=\"_blank\" href=\"http:\/\/www.opengeography.org\/physical-geography.html\">http:\/\/www.opengeography.org\/physical-geography.html<\/a>. <strong>Project<\/strong>: Open Geography Education. <strong>License<\/strong>: <em><a target=\"_blank\" rel=\"license\" href=\"https:\/\/creativecommons.org\/licenses\/by-sa\/4.0\/\">CC BY-SA: Attribution-ShareAlike<\/a><\/em><\/li><li>Columbia River Gorge. <strong>Authored by<\/strong>: Navin Rajagopalan. <strong>Located at<\/strong>: <a target=\"_blank\" href=\"https:\/\/flic.kr\/p\/hmxza2\">https:\/\/flic.kr\/p\/hmxza2<\/a>. <strong>License<\/strong>: <em><a target=\"_blank\" rel=\"license\" href=\"https:\/\/creativecommons.org\/licenses\/by-sa\/4.0\/\">CC BY-SA: Attribution-ShareAlike<\/a><\/em><\/li><li>River source. <strong>Authored by<\/strong>: tony ferrie. <strong>Located at<\/strong>: <a target=\"_blank\" href=\"https:\/\/commons.wikimedia.org\/wiki\/File:River_source_-_geograph.org.uk_-_380822.jpg\">https:\/\/commons.wikimedia.org\/wiki\/File:River_source_-_geograph.org.uk_-_380822.jpg<\/a>. <strong>License<\/strong>: <em><a target=\"_blank\" rel=\"license\" href=\"https:\/\/creativecommons.org\/licenses\/by-sa\/4.0\/\">CC BY-SA: Attribution-ShareAlike<\/a><\/em><\/li><li>Suprasl river and Biala river confluence. <strong>Authored by<\/strong>: Athantor. <strong>Located at<\/strong>: <a target=\"_blank\" href=\"https:\/\/commons.wikimedia.org\/wiki\/File:Podlaskie_-_Choroszcz_-_Suprasl_river_and_Biala_river_confluence_-_bdg_DK65_near_Dzikie.JPG\">https:\/\/commons.wikimedia.org\/wiki\/File:Podlaskie_-_Choroszcz_-_Suprasl_river_and_Biala_river_confluence_-_bdg_DK65_near_Dzikie.JPG<\/a>. <strong>License<\/strong>: <em><a target=\"_blank\" rel=\"license\" href=\"https:\/\/creativecommons.org\/licenses\/by-sa\/4.0\/\">CC BY-SA: Attribution-ShareAlike<\/a><\/em><\/li><li>River Nith estuary. <strong>Authored by<\/strong>: Doc Searls. <strong>Located at<\/strong>: <a target=\"_blank\" href=\"https:\/\/flic.kr\/p\/JJAiQ\">https:\/\/flic.kr\/p\/JJAiQ<\/a>. <strong>License<\/strong>: <em><a target=\"_blank\" rel=\"license\" href=\"https:\/\/creativecommons.org\/licenses\/by-sa\/4.0\/\">CC BY-SA: Attribution-ShareAlike<\/a><\/em><\/li><\/ul><div class=\"license-attribution-dropdown-subheading\">Public domain content<\/div><ul class=\"citation-list\"><li>Charley River. <strong>Authored by<\/strong>: Mark Dornblaser. <strong>Provided by<\/strong>: USGS. <strong>Located at<\/strong>: <a target=\"_blank\" href=\"https:\/\/alaska.usgs.gov\/images\/Yukon\/images\/2002FieldWork\/CharleyRiver.jpg\">https:\/\/alaska.usgs.gov\/images\/Yukon\/images\/2002FieldWork\/CharleyRiver.jpg<\/a>. <strong>License<\/strong>: <em><a target=\"_blank\" rel=\"license\" href=\"https:\/\/creativecommons.org\/about\/pdm\">Public Domain: No Known Copyright<\/a><\/em><\/li><\/ul><\/div>\n\t\t\t\t\t\t <\/div>\n\t\t\t\t\t <\/div>\n\t\t\t <\/section>","protected":false},"author":17,"menu_order":4,"template":"","meta":{"_candela_citation":"[{\"type\":\"cc\",\"description\":\"Dynamic Earth: Introduction to Physical Geography\",\"author\":\"R. Adam Dastrup\",\"organization\":\"\",\"url\":\"http:\/\/www.opengeography.org\/physical-geography.html\",\"project\":\"Open Geography Education\",\"license\":\"cc-by-sa\",\"license_terms\":\"\"},{\"type\":\"cc\",\"description\":\"Columbia River Gorge\",\"author\":\"Navin Rajagopalan\",\"organization\":\"\",\"url\":\"https:\/\/flic.kr\/p\/hmxza2\",\"project\":\"\",\"license\":\"cc-by-sa\",\"license_terms\":\"\"},{\"type\":\"cc\",\"description\":\"River source\",\"author\":\"tony ferrie\",\"organization\":\"\",\"url\":\"https:\/\/commons.wikimedia.org\/wiki\/File:River_source_-_geograph.org.uk_-_380822.jpg\",\"project\":\"\",\"license\":\"cc-by-sa\",\"license_terms\":\"\"},{\"type\":\"cc\",\"description\":\"Suprasl river and Biala river confluence\",\"author\":\"Athantor\",\"organization\":\"\",\"url\":\"https:\/\/commons.wikimedia.org\/wiki\/File:Podlaskie_-_Choroszcz_-_Suprasl_river_and_Biala_river_confluence_-_bdg_DK65_near_Dzikie.JPG\",\"project\":\"\",\"license\":\"cc-by-sa\",\"license_terms\":\"\"},{\"type\":\"pd\",\"description\":\"Charley River\",\"author\":\"Mark Dornblaser\",\"organization\":\"USGS\",\"url\":\"https:\/\/alaska.usgs.gov\/images\/Yukon\/images\/2002FieldWork\/CharleyRiver.jpg\",\"project\":\"\",\"license\":\"pd\",\"license_terms\":\"\"},{\"type\":\"cc\",\"description\":\"River Nith estuary\",\"author\":\"Doc Searls\",\"organization\":\"\",\"url\":\"https:\/\/flic.kr\/p\/JJAiQ\",\"project\":\"\",\"license\":\"cc-by-sa\",\"license_terms\":\"\"}]","CANDELA_OUTCOMES_GUID":"","pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"class_list":["post-610","chapter","type-chapter","status-publish","hentry"],"part":592,"_links":{"self":[{"href":"https:\/\/courses.lumenlearning.com\/suny-geophysical\/wp-json\/pressbooks\/v2\/chapters\/610","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/courses.lumenlearning.com\/suny-geophysical\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/courses.lumenlearning.com\/suny-geophysical\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/suny-geophysical\/wp-json\/wp\/v2\/users\/17"}],"version-history":[{"count":4,"href":"https:\/\/courses.lumenlearning.com\/suny-geophysical\/wp-json\/pressbooks\/v2\/chapters\/610\/revisions"}],"predecessor-version":[{"id":633,"href":"https:\/\/courses.lumenlearning.com\/suny-geophysical\/wp-json\/pressbooks\/v2\/chapters\/610\/revisions\/633"}],"part":[{"href":"https:\/\/courses.lumenlearning.com\/suny-geophysical\/wp-json\/pressbooks\/v2\/parts\/592"}],"metadata":[{"href":"https:\/\/courses.lumenlearning.com\/suny-geophysical\/wp-json\/pressbooks\/v2\/chapters\/610\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/courses.lumenlearning.com\/suny-geophysical\/wp-json\/wp\/v2\/media?parent=610"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/suny-geophysical\/wp-json\/pressbooks\/v2\/chapter-type?post=610"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/suny-geophysical\/wp-json\/wp\/v2\/contributor?post=610"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/suny-geophysical\/wp-json\/wp\/v2\/license?post=610"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}