NDLI: Evolution of tidal creek networks in a high sedimentation environment: A 5-year experiment at Tijuana Estuary, California

Content Provider	Springer Nature Link
Author	Wallace, Katy J. Callaway, John C. Zedler, Joy B.
Copyright Year	2005
Abstract	In a large (8 ha) salt marsh restoration site, we tested the effects of excavating tidal creeks patterned after reference systems. Our purposes were to enhance understanding of tidal creek networks and to test the need to excavate creeks during salt marsh restoration. We compared geomorphic changes in areas with and without creek networks (n = 3; each area 1.3 ha) and monitored creek cross-sectional areas, creek lengths, vertical accretion, and marsh surface elevations for 5 yr that included multiple sedimentation events. We hypothesized that cells with creeks would develop different marsh surface and creek network characteristics (i.e., surface elevation change, sedimentation rate, creek cross-sectional area, length, and drainage density). Marsh surface vertical accretion averaged 1.3 cm yr$^{−1}$ with large storm inputs, providing the opportunity to assess the response of the drainage network to extreme sedimentation rates. The constructed creeks initially filled due to high accretion rates but stabilized at cross-sectional areas matching, or on a trajectory toward, equilibrium values predicted by regional regression equations. Sedimentation on the marsh surface was greatest in low elevation areas and was not directly influenced by creeks. Time required for cross-sectional area stabilization ranged from 0 to > 5 yr, depending on creek order. First-order constructed creeks lengthened rapidly (mean rate of 1.3 m yr$^{−1}$) in areas of low elevation and low vegetation cover. New (volunteer) creeks formed rapidly in cells without creeks in areas with low elevation, low vegetation cover, and high elevation gradient (mean rate of 6.2 m yr$^{−1}$). After 5 yr, volunteer creeks were, at most, one-fourth the area of constructed creeks and had not yet reached the upper marsh plain. In just 4 yr, the site’s drainage density expanded from 0.018 to reference levels of 0.022 m m$^{−2}$. Pools also formed on the marsh plain due to sediment resuspension associated with wind-driven waves. We conclude that excavated creeks jump-started the development of drainage density and creek and channel dimensions, and that the tidal prism became similar to those of the reference site in 4–5 yr.
Starting Page	795
Ending Page	811
Page Count	17
File Format	PDF
ISSN	01608347
Journal	Estuaries
Volume Number	28
Issue Number	6
Language	English
Publisher	Springer-Verlag
Publisher Date	2005-01-01
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Environment Ecology Geosciences Freshwater & Marine Ecology Environmental Management Nature Conservation
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry Aquatic Science Environmental Science

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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Reply to comment on our paper “evolution of tidal creek networks in a high sedimentation environment: A 5-year experiment at Tijuana Estuary, California”

Comment on “Evolution of tidal creek networks in a high sedimentation environment: A 5-year experiment at Tijuana Estuary, California” by wallace et al. 2005. Estuaries 28:795-811.

Evolution of tidal creek networks in a high sedimentation environment: A 5-year experiment at Tijuana Estuary, California

Marsh-creek connectivity: Fish use of a tidal salt marsh in Southern California

Sedimentation cycles in a river-mouth tidal freshwater marsh

Episodic colonization of an intertidal mudflat by native cordgrass (Spartina foliosa) at Tijuana Estuary

Tidally phased emergence events in a strongly tidal estuary

Tidal creek surface film structural and metabolic dynamics

Sediment character in a micro-tidal, harbor-estuary environment, Göteborg, Sweden

Evolution of tidal creek networks in a high sedimentation environment: A 5-year experiment at Tijuana Estuary, California

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Reply to comment on our paper “evolution of tidal creek networks in a high sedimentation environment: A 5-year experiment at Tijuana Estuary, California”

Comment on “Evolution of tidal creek networks in a high sedimentation environment: A 5-year experiment at Tijuana Estuary, California” by wallace et al. 2005. Estuaries 28:795-811.

Evolution of tidal creek networks in a high sedimentation environment: A 5-year experiment at Tijuana Estuary, California

Marsh-creek connectivity: Fish use of a tidal salt marsh in Southern California

Sedimentation cycles in a river-mouth tidal freshwater marsh

Episodic colonization of an intertidal mudflat by native cordgrass (Spartina foliosa) at Tijuana Estuary

Tidally phased emergence events in a strongly tidal estuary

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Evolution of tidal creek networks in a high sedimentation environment: A 5-year experiment at Tijuana Estuary, California