Is infrastructure and real estate affected by peatland subsidence?
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Peatland subsidence has a significant impact on infrastructure and real estate. Land subsidence in the Netherlands, particularly in peat and clay soils, causes damage to houses and infrastructure through differential settlement of foundations and fungal decay of timber piles . In the Amstel, Gooi and Vecht water management area in the Netherlands, subsidence of peat meadows affects farming, houses, and public infrastructure, resulting in costs for the water authority . Organic soils and peat soils are unsuitable for construction due to their high water content and compressibility, leading to settlements or subsidence that can damage buildings and infrastructure . Drained cultivated peatlands in coastal areas contribute to land subsidence, increasing the risk of flooding, saltwater contamination, and maintenance costs . These findings highlight the need for awareness, response, and adaptive capacity to address the challenges posed by peatland subsidence on infrastructure and real estate .
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| Papers (5) | Insight |
|---|---|
| The paper does not directly mention the impact of peatland subsidence on infrastructure and real estate. | |
Open access•Dissertation 15 Jan 2020 | The paper does not specifically mention the impact of peatland subsidence on infrastructure and real estate. |
22 Apr 2020 | The paper states that land subsidence in peat and clay soils in the Netherlands causes significant damage to houses and infrastructure, estimated at EUR 17 billion until 2050. Therefore, infrastructure and real estate are indeed affected by peatland subsidence. |
22 Apr 2020 | The paper states that peat subsidence increases the costs of repairing infrastructure assets such as sewage systems, dikes, roads, and pipes. Therefore, infrastructure is affected by peatland subsidence. |
09 Jul 2019 6 Citations | The paper mentions that subsidence in organic soils, including peat, can cause damage or high maintenance costs to buildings and infrastructure. Therefore, infrastructure and real estate can be affected by peatland subsidence. |
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Impact of land use covnersion to peatland?4 answersLand use conversion in peatlands can lead to significant changes in soil organic carbon content and stable carbon isotope levels. Human activities like drainage for agriculture can result in peat oxidation, releasing greenhouse gases such as CO2, CH4, and N2O. Rewetting and restoration practices can help mitigate these negative impacts by reducing emissions and restoring ecosystem services. Changes in water table levels and nitrogen associated with human activities can influence greenhouse gas emissions in tropical and northern peatlands, with optimal water table levels identified to minimize emissions. Land use changes, such as the restoration of a peat bog, have been shown to cool landscapes and highlight the potential of functioning peatlands as cool, humid islands within a landscape.
How does coastal subsidence affect groundwater quality?5 answersCoastal subsidence can have a significant impact on groundwater quality. Seawater intrusion is a common problem in coastal aquifers, leading to the deterioration of water quality due to increased concentrations of ions such as Na+, K+, Ca2+, Mg2+, Cl−, and SO42−. The hydrochemical type of groundwater can change from Ca-HCO3·Cl to Na·Mg-Cl·SO4 and then to Na-Cl type as seawater intrusion deepens. High salinity and trace metal dissolution are also observed in areas affected by salinization, making the groundwater unsuitable for human consumption. Additionally, climate change and human activities can further affect groundwater quality in coastal aquifers, with seawater intrusion, ion exchange, water-rock interaction, and anthropogenic inputs being the main controlling factors. It is crucial to develop optimal management strategies to protect coastal groundwater systems, including monitoring, restricting overexploitation, implementing civil structures to prevent seawater intrusion, and considering the impacts of groundwater environment in coastal development.
What are the main causes of onshore land subsidence?5 answersStep 1:
Land subsidence is mainly caused by human activities such as the removal of subsurface water, which leads to compaction of certain types of rocks. Other factors include earthquakes, mining activities, and extraction of gas, oil, and water. Additionally, natural causes like geological formations, mining, and building loads contribute to land subsidence. Anthropogenic groundwater abstraction for agriculture, municipal-industrial, and energy development also leads to local and regional groundwater storage depletion and land subsidence. Subsurface fluid-pressure declines caused by pumping of groundwater or hydrocarbons can lead to aquifer-system compaction and consequent land subsidence, which can be rapid and substantial, contributing significantly to relative sea-level rise in coastal environments.
Step 3:
Land subsidence is mainly caused by human activities such as the removal of subsurface water, which leads to compaction of certain types of rocks. Other factors include earthquakes, mining activities, and extraction of gas, oil, and water. Additionally, natural causes like geological formations, mining, and building loads contribute to land subsidence. Anthropogenic groundwater abstraction for agriculture, municipal-industrial, and energy development also leads to local and regional groundwater storage depletion and land subsidence. Subsurface fluid-pressure declines caused by pumping of groundwater or hydrocarbons can lead to aquifer-system compaction and consequent land subsidence, which can be rapid and substantial, contributing significantly to relative sea-level rise in coastal environments.
How flood and land subsidence give impact to built up area?5 answersFloods and land subsidence have significant impacts on built-up areas. Land subsidence, caused by factors such as soil compaction, building loads, and groundwater level changes, can lead to damages in infrastructure and buildings, as well as increased flooding vulnerability. Floods, on the other hand, pose a danger to people and buildings located in flood plains, especially in heavily urbanized areas. The flow of floodwater is hindered by the development of river valleys and protective embankments, resulting in an increase in the flood wave level and its negative impact. In coastal and delta cities, land subsidence combined with climate change and sea level rise can lead to constant flooding and increased flood depths. These impacts highlight the need for better planning and sustainable urban development in coastal communities to mitigate the effects of floods and land subsidence.
What is the relationship between the subsidence and the flood?5 answersSoil subsidence is closely related to flooding. Intensive land use and drainage can lead to subsidence, which in turn increases the risk of flooding in lowland river systems. The study conducted in Finland found that riparian peatland experienced subsidence rates of 5.15-9.47 mm per year, resulting in increased flooding of cultivated fields. In Shanghai, land subsidence has been identified as a key factor endangering urban flood prevention safety. The study in Thailand developed equations to describe the subsidence of flood peak discharges in rivers during overbank flow periods, showing good results. Additionally, a quantitative method was proposed to assess the flood storage and flood detention effects of coal mining subsidence areas, providing a comprehensive approach to flood control.
How does peatlands influence co2-emissions?5 answersPeatlands influence CO2 emissions through their impact on carbon dynamics and microbial communities. Climate warming can increase heterotrophic metabolism in peatland soils, leading to enhanced greenhouse gas emissions. However, the specific relationships between temperature and the greenhouse gas producing microbial communities are poorly understood. Peatland drainage, which is often done for agricultural or peat harvesting purposes, stimulates soil organic matter decomposition and increases CO2 emissions. Additionally, the radiative forcing impact of a peatland that continuously emits CH4 and sequesters C begins as a net warming but eventually becomes a net cooling impact. Peatlands also play a significant role in the global methane cycle, contributing to more than 20% of annual methane atmospheric emissions. Overall, peatlands have complex interactions with CO2 emissions, influenced by factors such as temperature, drainage, and methane production.