Hydrology and biogeochemistry linkages

By: , and 
Edited by: P. Wilderer

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Abstract

This chapter provides an overview of the linkages between hydrology and biogeochemistry in terrestrial and aquatic systems. Selected topics include hydrological pathways on drainage basin slopes, mountain environments, within-river (or in-stream) processes, wetlands, groundwater (and groundwater–surface water interactions), and lakes. Beginning from catchment headwaters, This chapter introduces mechanisms delivering water from hillslopes to stream channels, highlighting the relative importance of biogeochemical processes along hydrological pathways. It considers processes affecting components of the water budget, including snow formation and ablation processes, and interactions with the soil below snow cover and during snowmelt. It presents the concept of nutrient spiraling and the importance of temperature and stream flow variability on biogeochemistry, as well as groundwater–surface water interactions through hyporheic and riparian zones. This chapter contrasts important processes in hydrologically isolated wetlands with those temporally connected to streams and rivers. It addresses stream and groundwater inputs, stratification, and within-lake processes, interactions with sediments, and a discussion about limiting nutrients. This chapter presents information about typical reactions controlled by hydrological pathways, lithology (mineralogy) and biota, the importance of residence time in biogeochemical evolution, and linkages between groundwater Acidic atmospheric deposition


Additional publication details

Publication type Book chapter
Publication Subtype Book Chapter
Title Hydrology and biogeochemistry linkages
DOI 10.1016/B978-0-444-53199-5.00038-5
Volume 2
Year Published 2011
Language English
Publisher Elsevier
Contributing office(s) Georgia Water Science Center, Contaminant Biology Program, Toxic Substances Hydrology Program
Description 34 p.
Larger Work Type Book chapter
Larger Work Title Treatise on water science
First page 271
Last page 304