Civil-GIS incorporated approach for water resource management in a developed catchment for urban-geomorphic sustainability: Tallowa Dam, southeastern Australia

Al-Nasrawi, Ali K. M.; Jones, Brian G.; Alyazichi, Yasir M; Hamylton, Sarah; Jameel, Mohammed; Hammadi, Ali Faraj Hammadi

doi:10.1016/j.iswcr.2016.11.001

Cited by 14 publications

(9 citation statements)

References 37 publications

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“…In the Mesopotamian region, droughts are the most devastating manifestation of this trend, with low precipitation and elevated temperatures having the strongest impact 5 on the ecosystems (Senapati et al 2019). Additionally, human interventions such as water discharge regulation and the implementation of artificial drainage systems enhance these pressures by further degrading and damaging the wetland ecosystems (Al-Nasrawi et al 2016).…”

Section: Current Stressors and Efforts In The Regionmentioning

confidence: 99%

Changes in Mesopotamian Wetlands: Investigations Using Diverse Remote Sensing Datasets

Al-Nasrawi

Fuentes

Al-Shammari

2021

Preprint

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Early civilizations have inhabited stable-water-resourced areas that supported living needs and activities, including agriculture. The Mesopotamian marshes, recognised as the most ancient human-inhabited area (~6000 years ago) and refuge of rich biodiversity, have experienced dramatic changes during the past five decades, starting to fail in providing adequate environmental functioning and support of social communities as they used to for thousands of years. The aim of this study is to observe, analyse and report the extent of changes in these marshes from 1972 to 2020. Data from various remote sensing sources were acquired through Google Earth Engine (GEE) including climate variables, land cover, surface reflectance, and surface water occurrence collections. Results show a clear wetlands dynamism over time and a significant loss in marshlands extent, even though no significant long-term change was observed in lumped rainfall from 1982, and even during periods where no meteorological drought had been recorded. Human interventions have disturbed the ecosystems, which is evident when studying water occurrence changes. These show that the diversion of rivers and the building of a new drainage system caused the migration and spatiotemporal changes of marshlands. Nonetheless, restoration plans (after 2003) and strong wet conditions (period 2018 - 2020) have helped to recover the ecosystems, these have not led the marshlands to regain their former extent. Further studies should pay more attention to the drainage network within the study area as well as the neighboring regions and their impact on the streamflow that feeds the study area.

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Section: Current Stressors and Efforts In The Regionmentioning

confidence: 99%

Changes in Mesopotamian Wetlands: Investigations Using Diverse Remote Sensing Datasets

Al-Nasrawi

Fuentes

Al-Shammari

2021

Preprint

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“…These transitions in land use were associated with clearing native vegetation, resulting in changes to the drainage network hydrology and eco-geomorphologic characteristics of the catchment and its runoff and sedimentary processes [3,22]. Large areas of the catchment are still covered with native vegetation (74.2%) including a state forest and a national park along the eastern cliffs of the Tianjara Range ( Figure 2).…”

Section: Catchment and Land Use Classesmentioning

confidence: 99%

A Spatio-Temporal Assessment of Landcover and Coastal Changes at Wandandian Delta System, Southeastern Australia

Al-Nasrawi

Hopley

Hamylton

et al. 2017

JMSE

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Large numbers of people live along and depend upon the world's coastal resources. Human modifications of the coastal zone, in combination with climate induced environmental changes, have had a major effect on the natural ecological systems. GIS analysis of remote sensed data, combined with fieldwork and laboratory tests, can be used to determine the resultant eco-geomorphic changes that need to be managed sustainably on a worldwide scale. Modelling the eco-geomorphic dynamics between 1949 and 2016 on the Wandandian Creek delta (southeastern NSW, Australia) provides a case study of management options for such coastal resources. Results from the Wandandian Creek delta show that sand/silt sediment derived from the partially (22%) modified terrestrial catchment has prograded into the wave-dominated St. Georges Basin where it is impacted by nearshore processes. Clear spatio-temporal growth of the areal extent and elevation of the deltaic levees and sandspits, with their associated mangroves and saltmarshes, has occurred over the past 65 years. Although the growth rate has fluctuated during the study period, due to flood events in 1974, 1990s and 2010, the overall subaerial and subaqueous delta area has had an average growth of 4168 m 2 annually with the shoreline extending 1.451 m/year on average. This geomorphic growth has stabilised the estuarine deltaic habitats with high proportions of nutrients and organic matter, particularly within saltmarsh, mangrove, Casuarina/Juncus and other mixed native plant areas. This research shows the importance of analysing morphological changes observed on the delta that can be related to both anthropogenic modifications and natural processes to the catchment and thus should be used in the development of catchment and coastal management plans.

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“…The alteration of river flow is the factor that most impacts ecosystems (Geddes & Butler, 1984;Attrill et al, 1996;Bunn & Arthington, 2002), since the reduction of its flow produces considerable effect on the dynamics of the estuaries, affecting large groups of organisms, from plants to fish, besides facilitating the introduction of invasive species, such as the sudden changes in the agglomeration of plants and animals (Junk et al, 1989;Poff et al, 1997;Lundqvist, 1998;Al-Taani, 2014). Among the consequences of river flow alteration, salinity is highlighted as one of the main parameters susceptible to undergo changes (Oliveira, 2003;Almeida & Silva Junior, 2007;Oliveira et al, 2008;Kingsford & Hankin, 2010;Silva et al, 2015;Khanom, 2016;Al-Nasrawi et al, 2016;Campo et al, 2016;Cheek & Taylor, 2016;Wedderburn et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

“…Salinization may happen due to the rise in evaporation rate, in the function of high environmental temperatures, waste discharge, but mainly saline intrusion caused by sea-level rise, as a result of climate change and human activities. Many authors noted that the increase of river water salinity might be related to intervention and operation of reservoirs built for electric power generation and also to supply other uses, like irrigation, human supply, and navigation (Silva et al, 2015;Al-Nasrawi et al, 2016;Campo et al, 2016;Cheek & Taylor, 2016;Khanom, 2016;Wedderburn et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

Effect of the reduction of the outflow restriction discharge from the Xingó dam in water salinity in the lower stretch of the São Francisco River

Fonseca

Magalhães

Campos

et al. 2020

RBRH

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Among the water quality parameters subjected to changes in river flow variations, salinity stands out for being intrinsically associated to ecosystem quality. Nonetheless, salinization can cause irreversible damage to the structure and functions of aquatic communities. This work evaluated the effect of successive reductions of outflow discharges from Xingó dam in water salinity in the lower stretch of the São Francisco River, Brazil. Salinity was analysed downstream of the dam, in addition to the relation between discharge reductions and salinity levels, as well as the spatial evolution of salinity in function of the distance of the sampling points from the river mouth. Secondary water quality data from 17 monitoring points were analysed, moreover, field samples and laboratory analyses were performed. With the reductions of outflow discharges, that started in 2013, there was a considerable increase in salinity in the sampling point located 9 km far from the river mouth, and with the continuation of discharge reductions, points that are farther away from the river mouth also presented high salinity values, both in the bottom and on the surface. This study indicates salinity values above the limits of fresh water (0.5 ‰), established by the CONAMA Resolution 357, for human consumption.

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Civil-GIS incorporated approach for water resource management in a developed catchment for urban-geomorphic sustainability: Tallowa Dam, southeastern Australia

Cited by 14 publications

References 37 publications

Changes in Mesopotamian Wetlands: Investigations Using Diverse Remote Sensing Datasets

Changes in Mesopotamian Wetlands: Investigations Using Diverse Remote Sensing Datasets

A Spatio-Temporal Assessment of Landcover and Coastal Changes at Wandandian Delta System, Southeastern Australia

Effect of the reduction of the outflow restriction discharge from the Xingó dam in water salinity in the lower stretch of the São Francisco River

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