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https://ir.library.oregonstate.edu/concern/articles/np193b815

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  • Headwater streams comprise nearly 90% of the total length of perennial channels in global catchments. They mineralize organic carbon entering from terrestrial systems, evade terrestrial carbon dioxide (CO₂ ), and generate and remove carbon through in-stream primary production and respiration. Despite their importance, headwater streams are often neglected in global carbon budgets primarily because of a lack of available data. We measured these processes, in detail, over a 10 year period in a stream draining a 96 ha forested watershed in western Oregon, USA. This stream, which represents only 0.4% of the watershed area, exported 159 kg C ha⁻¹ yr⁻¹, similar to the global exports for large rivers. Stream export was dominated by downstream transport of dissolved inorganic carbon (63 kg C ha⁻¹ yr⁻¹) and by evasion of CO₂ to the atmosphere (42 kg C ha⁻¹ yr⁻¹), leaving the remainder of 51 kg C ha⁻¹ yr⁻¹ for downstream transport of organic carbon (17 kg C ha⁻¹ yr⁻¹ and 34 kg C ha⁻¹ yr⁻¹ in dissolved and particulate form, respectively)
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  • description.provenance : Submitted by Open Access (openaccess@library.oregonstate.edu) on 2016-07-25T14:56:18Z No. of bitstreams: 2 ArgerichComprehensiveMultiyearCarbon.pdf: 2834656 bytes, checksum: 3f906bcf363ef93e01ed67e6661878e0 (MD5) ArgerichComprehensiveMultiyearCarbonSupportingInfo.pdf: 401183 bytes, checksum: 9b4adbcef5cf7dee6e730e74d8e9f88b (MD5)
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  • description.provenance : Approved for entry into archive by Patricia Black(patricia.black@oregonstate.edu) on 2016-07-26T16:17:45Z (GMT) No. of bitstreams: 3 krauserp283951811.zip: 3167303 bytes, checksum: 15fa3d6fcfdec88dac92bcfd98dca70a (MD5) ArgerichComprehensiveMultiyearCarbon.pdf: 2834656 bytes, checksum: 3f906bcf363ef93e01ed67e6661878e0 (MD5) ArgerichComprehensiveMultiyearCarbonSupportingInfo.pdf: 401183 bytes, checksum: 9b4adbcef5cf7dee6e730e74d8e9f88b (MD5)

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