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The Multiscale Signature of Ecohydro...

Calabrese, Salvatore.

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The Multiscale Signature of Ecohydrological Fluctuations on Soil Biogeochemical Cycles.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	The Multiscale Signature of Ecohydrological Fluctuations on Soil Biogeochemical Cycles./
作者:	Calabrese, Salvatore.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2019,
面頁冊數:	228 p.
附註:	Source: Dissertations Abstracts International, Volume: 81-06, Section: B.
Contained By:	Dissertations Abstracts International81-06B.
標題:	Hydrologic sciences. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=22624257
ISBN:	9781392870679

The Multiscale Signature of Ecohydrological Fluctuations on Soil Biogeochemical Cycles.
Calabrese, Salvatore.

The Multiscale Signature of Ecohydrological Fluctuations on Soil Biogeochemical Cycles. - Ann Arbor : ProQuest Dissertations & Theses, 2019 - 228 p.

Source: Dissertations Abstracts International, Volume: 81-06, Section: B.

Thesis (Ph.D.)--Princeton University, 2019.

This item must not be sold to any third party vendors.

Numerous soil ecosystem services, ranging from carbon sequestration to crop production, derive from a delicate interaction between hydrologic fluctuations due to rainfall intermittency and biogeochemical cycles. This coupling propagates from the soil surface, where high frequency soil moisture variability drives the alternation between oxic and anoxic soil conditions, to the bedrock, where infrequent percolation pulses impact mineral dissolution. This dissertation discusses how combining stochastic biogeochemical models, observations, and dimensional analysis helps shed light on this complex coupling and to derive parsimonious models governing such dynamics. Particular emphasis is placed on the iron cycle in the soil root zone and the dissolution of silicate minerals in the deeper regolith because of their environmental relevance for soil carbon storage, CO2 emissions, and plant productivity. While in the first part of the dissertation the focus is on the temporal aspect of the interaction between hydrology and biogeochemistry, in the second part the focus shifts towards the spatial one. Age theory is introduced as a framework for dealing with spatial heterogeneities and up-scaling reaction rates and transport processes. We conclude by outlining how these approaches may be useful for developing an environmental control theory for sustainable ecosystem management under changing climates and increasing food, water and energy demands.

ISBN: 9781392870679Subjects--Topical Terms:

3168407
Hydrologic sciences.
Subjects--Index Terms:

age distribution theory

The Multiscale Signature of Ecohydrological Fluctuations on Soil Biogeochemical Cycles.
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506 $a This item must not be sold to any third party vendors.
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650 4 $a Civil engineering. $3 860360
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653 $a clay lessivage
653 $a hydrologic fluctuations
653 $a iron cycling
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