The response of runoff and sediment loading in the Apalachicola River, Florida to climate and land use land cover change

Hovenga, Paige A.; Wang, Dingbao; Medeiros, Stephen C.; Hagen, Scott C.; Alizad, K.

doi:10.1002/2015ef000348

Cited by 60 publications

(33 citation statements)

References 71 publications

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“…Recent studies have found that climate change affects local rainfall amounts, surface runoff, and distribution of water resources (Guo et al 2002;Akhtar et al 2008;Arnell and Gosling 2013;Kling et al 2014). Climate change is characterized by shifts in temperature and precipitation, with regionally specific responses, e.g., alteration of extremes, intensities, frequencies, and spatial and temporal patterns (Easterling et al 2000;Hay et al 2011;Wang et al 2013;Hovenga et al 2016). Hovenga et al (2016) addressed the effects of climate change on overland processes, river inflow, and sediment loading for the Apalachicola River region in Florida, USA.…”

Section: Introductionmentioning

confidence: 99%

“…Climate change is characterized by shifts in temperature and precipitation, with regionally specific responses, e.g., alteration of extremes, intensities, frequencies, and spatial and temporal patterns (Easterling et al 2000;Hay et al 2011;Wang et al 2013;Hovenga et al 2016). Hovenga et al (2016) addressed the effects of climate change on overland processes, river inflow, and sediment loading for the Apalachicola River region in Florida, USA. Within the wet seasons, the A1B scenario had the largest loadings and A2 was typically largest during the dry season.…”

Section: Introductionmentioning

confidence: 99%

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Modeling Hydrological Impacts of Groundwater Level in the Context of Climate and Land Cover Change

Shih

2018

Terr. Atmos. Ocean. Sci.

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The study uses weather generation models to generate future daily rainfall and temperature, and incorporates a land coverage model to simulate future land use changes. These future scenarios are then simulated by a rainfall runoff model to study their impacts on basin discharge, river, and groundwater levels. The Fengshan Creek basin in northern Taiwan is selected as test site. The RCP2.6 scenario is adopted to project future climate. The hydrological impacts, in the context of groundwater, for the near future (2020 -2039), future (2050 -2069), and distant future (2080 -2099) are discussed. Simulations indicate that the influence of climate change is more important compared to local land cover changes at our study site. Both river stage and groundwater levels are influenced under future scenarios, but seasonally rather than annually; the dry and wet seasons are amplified. The results indicate that future water resources will be scarce in the dry season and more abundant in the wet season. In addition, changes in groundwater levels for mountainous region are more significant than in the downstream flat areas.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Modeling Hydrological Impacts of Groundwater Level in the Context of Climate and Land Cover Change

Shih

2018

Terr. Atmos. Ocean. Sci.

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“…alteration of extremes, intensities, frequencies, spatial and temporal patterns (Easterling et al, 2000;Hay et al, 2011;Hovenga et al, 2016;Wang et al, 2013). Hovenga et al, (2016) addressed the effects of climate change on overland processes, river inflow, and sediment loading for the Apalachicola region. Within the wet seasons, the A1B scenario had the largest loadings and A2 was typically largest during the dry season.…”

Section: Introductionsmentioning

confidence: 99%

Assessing Hydrological Impacts of a Watershed in the Context of Climate and Land Cover Changes

Shih

Tsai

2017

Preprint

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This paper proposes a method to utilize weather and land cover models to generate future environmental scenarios, and presents the watershed models to simulate the hydrological impact on watershed-scale hydrology. The Weather Generator model and General Circulation Model were applied to produce rainfall and local temperature under different climate conditions, and the Conservation and Land Use and its Effects model was incorporated to simulate future land cover variability. The circumstances of future climate and land cover changes were used as inputs to drive the HEC-HMS rainfall runoff model for obtaining surface runoff in a mountainous area. The WASH123D model was then utilized for the entire watershed simulation. Modeling results were then examined to discuss hydrological impacts on three different time periods: near future (2020-2039), future (2050)(2051)(2052)(2053)(2054)(2055)(2056)(2057)(2058)(2059)(2060)(2061)(2062)(2063)(2064)(2065)(2066)(2067)(2068)(2069), and distant future (2080)(2081)(2082)(2083)(2084)(2085)(2086)(2087)(2088)(2089)(2090)(2091)(2092)(2093)(2094)(2095)(2096)(2097)(2098)(2099). The Fengshan Creek basin in northern Taiwan was selected as study site. Simulations results indicated that the influence of climate change revealed more relevant effects when compared to local land cover changes. The ground water levels tended to diminish as the land cover area changed. In addition, both river and groundwater levels reveal that it is drier in dry season and wetter in wet season in future.

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“…In keeping with IPCC carbon emission scenarios, projected 2100 A2, A1B, and B1 LULC provided by the United States Geological Survey Earth Resources Observation and Science (USGS EROS) Center were selected to assess LULC change impacts (USGS EROS Center 2014). Detailed procedures for model calibration and validation, as well as climate change and LULC projections, are described in Hovenga et al (2016). The coupling of both future climate and LULC change was simulated for each GCM.…”

Section: Hydrologic Modelingmentioning

confidence: 99%

Implications of Climate Change on Florida's Water Resources

Obeysekera¹,

Graham²,

Sukop³

et al. 2017

Florida’s Climate: Changes, Variations, &Amp; Impacts

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Water resources systems in Florida are unique and exhibit significant diversity in hydrogeologic characteristics and in rainfall and temperature patterns. In many parts of the state, both surface and groundwater systems are complex, highly interconnected, and any change in hydrologic drivers such as rainfall or temperature has the potential to impact the water resources of the urban, agricultural, and ecological systems. Because of this diversity, it is not possible to present a single overall outlook regarding the implications of climate change on the water resources of the state. This chapter presents brief summaries of individual studies that are available for major water resources systems in the state, which include the Everglades, the Tampa Bay region, the St. Johns River watershed, and the Suwannee River and Apalachicola River basins. Available climate models and their downscaled versions have varying degrees of bias and lack of skill that need to be considered in impact analyses. In all regions,projected changes in rainfall, temperature, and sea level may have significant impacts on water supply, water levels in environmentally sensitive areas, flood protection, and water quality. Key Messages• Water resources are an integral contributor to Florida's economy, but there is increasing competition for water supply among the urban, agricultural, and environmental sectors due to population growth in the state.• Climate change along with rising sea levels will exacerbate the competition for water and it is extremely important to understand the potential impacts on this vital resource through actionable science that is relevant to this region.• Although different climate models predict a consistent increase in future temperatures, future precipitation is not yet consistently predicted and could be higher or lower. Differences in precipitation propagate into significant differences in future streamflow, groundwater levels, and ET predictions.• The range of future hydrologic conditions predicted by climate models allows an evaluation of the spectrum of possible future risks, but does not provide actionable information because the uncertainty is so high. Improvement in the ability of the climate models to simulate both retrospective and future rainfall patterns will be required before their projections can reliably be used for water resource planning and management• Impact assessment to date on large-scale, regional basins in the state demonstrates that future climate change has a significant potential to impact both water quantity and quality, and as a consequence, additional research is necessary to develop standardized climate projections and conduct impact assessment on the water resources systems on a statewide basis. 84 • JAYANTHA OBEYSEKERA ET AL.• Potential increases in temperature, and the variations in precipitation patterns may degrade water quality, exacerbate algae problems, and cause eutrophication of important water bodies. KeywordsRainfall; Temperature; Groundwater; Sea level rise; Water quality; G...

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The response of runoff and sediment loading in the Apalachicola River, Florida to climate and land use land cover change

Cited by 60 publications

References 71 publications

Modeling Hydrological Impacts of Groundwater Level in the Context of Climate and Land Cover Change

Modeling Hydrological Impacts of Groundwater Level in the Context of Climate and Land Cover Change

Assessing Hydrological Impacts of a Watershed in the Context of Climate and Land Cover Changes

Implications of Climate Change on Florida's Water Resources

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