Modeling the subsidence of peat soils in the Dutch coastal area

Hoogland, T.; Akker, J.J.H. van den; Brus, D.J.

doi:10.1016/j.geoderma.2011.02.013

Cited by 59 publications

(43 citation statements)

References 11 publications

(22 reference statements)

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“…After screening less than half of the revisited sampling sites remained for calibration. For instance, we expected the thickness of the aerated peat layer to have an effect on p (Hoogland et al 2012). With the fitted model, the proportional annual decrease of a peat layer with a shallow water table is equal to the decrease in a peat layer of the same thickness with a deep water table.…”

Section: Resultsmentioning

confidence: 99%

“…Recent studies on the conditions of peat soils have shown that almost 50% of the area originally mapped as peat soils (peat layer > 40 cm thick) changed to peaty soils (peat layer < 40 cm thick) and that 50-60% of the mapped peaty soils are now mineral soils (de Vries et al 2009;Kempen et al 2009). The peat oxidation rate is estimated between 5-10 mm year −1 (Hoogland et al 2012). The 1:50 000 soil map is the main source of nationwide soil information in the Netherlands, and is used for a variety of environmental and agro-economic analyses in support of policy-making on daily basis.…”

Section: Introductionmentioning

confidence: 99%

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Spatial variability of the active layer, permafrost, and soil profile depth in Alaskan soils

2012

Digital Soil Assessments and Beyond

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Legacy soil point data stored in soil information systems are a valuable resource for digital soil mapping. For dynamic soil properties, however, these data may not represent the actual field conditions, which may hamper their utility for mapping exercises. Because collection of field data is a major cost component in soil mapping, updating legacy data might be an appealing alternative to collecting new data. In this paper we show how we updated the thickness of the peat layer for more than 3 000 soil profiles obtained from the Dutch soil information system with a statistical model. In addition, we illustrate how the uncertainty about the updated values can be taken into account for digital soil mapping.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Spatial variability of the active layer, permafrost, and soil profile depth in Alaskan soils

2012

Digital Soil Assessments and Beyond

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“…Peat soil degradation causes land subsidence by a combination of peat oxidation and compaction after drainage (Schothorst 1977). Historical subsidence-caused by drainage since medieval timesoften combined with peat extraction for fuel, in coastal peatlands of the Netherlands, Germany and eastern Britain may have resulted in up to several metres of subsidence (Godwin 1978;Borger 1992;Verhoeven 1992;Hoogland et al 2012). In the eastern British fenlands, compaction and peat oxidation has resulted in up to 4 m of subsidence in 150 years (Godwin 1978).…”

Section: Inland Ecosystems and The Wider North Sea Systemmentioning

confidence: 99%

“…Subsidence also influences peatland hydrology and hydrochemistry. The need for increasingly deeper drainage enhances the upwelling of sulphate-rich brackish or salt water (Hoogland et al 2012). This in turn may enhance peat decomposition by sulphate reduction, with adverse impacts on water quality by increasing dissolved and particulate organic matter and nutrient mobilisation (Smolders et al 2006).…”

Section: Inland Ecosystems and The Wider North Sea Systemmentioning

confidence: 99%

Environmental Impacts—Terrestrial Ecosystems

Hölzel

Hickler

Kutzbach

et al. 2016

North Sea Region Climate Change Assessment

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The chapter starts with a discussion of general patterns and processes in terrestrial ecosystems, including the impacts of climate change in relation to productivity, phenology, trophic matches and mismatches, range shifts and biodiversity. Climate impacts on specific ecosystem types-forests, grasslands, heathlands, and mires and peatlands-are then discussed in detail. The chapter concludes by discussing links between changes in inland ecosystems and the wider North Sea system. Future climate change is likely to increase net primary productivity in the North Sea region due to warmer conditions and longer growing seasons, at least if summer precipitation does not decrease as strongly as projected in some of the more extreme climate scenarios. The effects of total carbon storage in terrestrial ecosystems are highly uncertain, due to the inherent complexity of the processes involved. For moderate climate change, land use effects are often more important drivers of total ecosystem carbon accumulation than climate change. Across a wide range of organism groups, range expansions to higher latitudes and altitudes and changes in phenology have occurred in response to recent climate change. For the range expansions, some studies suggest substantial differences between organism groups. Habitat specialists with restricted ranges have generally responded very little or even shown range contractions. Many of already threatened species could be particularly vulnerable to climate change. Overall, effects of recent climate change on terrestrial ecosystems within the North Sea region are still limited.

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“…This also brings lower inlet fluxes in summer, lower 15 outlet fluxes in winter and longer residence times in surface water (Table 2). 16 …”

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confidence: 99%

Groundwater–surface water relations in regulated lowland catchments; hydrological and hydrochemical effects of a major change in surface water level management

Rozemeijer

Klein

Hendriks

et al. 2018

Preprint

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Abstract. In lowland deltas with intensive land use such as The Netherlands, surface water levels are tightly controlled by inlet of diverted river water during dry periods and discharge via large-scale pumping stations during wet periods. The conventional water level regime in these polder catchments is either a fixed water level year-round or an unnatural regime with a lower winter level and a higher summer level in order to optimize hydrological conditions for agricultural land use. The objective of this study was to assess the hydrological and hydrochemical effects of changing the water level management from a conventional fixed water level regime to a flexible, more natural regime with low levels in summer and high levels in winter between predefined minimum and maximum levels. Ten study catchments were hydrologically isolated and equipped with controlled inlet and outlet weirs or pumping stations. The water level management was converted into a flexible regime. We used water and solute balance modeling for catchment-scale assessments of changes in water and solute fluxes. Our model results show relevant changes in the water exchange fluxes between the polder catchment and the regional water system and between the groundwater, surface water, and field surface storage domains within the catchment. Compared to the reference water level regime, the flexible water level regime water balance scenario showed increased surface water residence times, reduced inlet and outlet fluxes, reduced groundwater-surface water exchange, and in some catchments increased overland flow. The solute balance results show a general reduction of chloride concentrations and a general increase in N-tot concentrations. The total phosphorus (P-tot) and sulfate (SO4) concentration responses varied and depended on catchment-specific characteristics. For our study catchments, our analyses provided a quantification of the water flux changes after converting towards flexible water level management. Regarding the water quality effects, this study identified the risks of increased overland flow in former agricultural fields with nutrient enriched top soils and of increased seepage of deep groundwater which can deliver extra nutrients to surface water. At a global scale, catchments in low-lying and subsiding deltas are increasingly being managed in a similar way as the Dutch polders. Applying our water and solute balance approach to these areas may prevent unexpected consequences of the implemented water level regimes.

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Modeling the subsidence of peat soils in the Dutch coastal area

Cited by 59 publications

References 11 publications

Spatial variability of the active layer, permafrost, and soil profile depth in Alaskan soils

Spatial variability of the active layer, permafrost, and soil profile depth in Alaskan soils

Environmental Impacts—Terrestrial Ecosystems

Groundwater–surface water relations in regulated lowland catchments; hydrological and hydrochemical effects of a major change in surface water level management

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