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River engineering, a branch of civil engineering, deals with the process of planned human intervention to improve and restore rivers for human and environmental needs. With modern technologies, data collection and modelling, navigation can be improved, dredging reduced and new habitats can be created.
The Environment Effects Act 1978 was the first environmental planning control in Victoria, and it assessed the environmental impact of significant developments via an Environmental Effects Statement (EES). However the obligation for presenting an EES remained somewhat unclear and is ultimately at the discretion of the Minister for Planning ...
Environmental flows do not necessarily require restoring the natural, pristine flow patterns that would occur absent human development, use, and diversion but, instead, are intended to produce a broader set of values and benefits from rivers than from management focused strictly on water supply, energy, recreation, or flood control.
Human impact on the environment (or anthropogenic environmental impact) refers to changes to biophysical environments [14] and to ecosystems, biodiversity, and natural resources [15] caused directly or indirectly by humans.
Flood modelling is a tool used to model flood hazard and the effects on humans and the physical environment. [65] Flood modelling takes into consideration how flood hazards, external and internal processes and factors, and the main drivers of floods interact with each other.
Environmental resource management is an issue of increasing concern, as reflected in its prevalence in several texts influencing global sociopolitical frameworks such as the Brundtland Commission's Our Common Future, [3] which highlighted the integrated nature of the environment and international development, and the Worldwatch Institute's annual State of the World reports.
The effects of pollution often depend on the context and material, but can reduce ecosystem functioning, limit ecosystem services, reduce stream biodiversity, and impact human health. [ 75 ] Pollutant sources of lotic systems are hard to control because they can derive, often in small amounts, over a very wide area and enter the system at many ...
Local and national governments normally respond to droughts once they happen and are in crisis mode, whereas a robust policy would include early drought monitoring systems, preparedness plans, energy response programs, and impact assessment and management procedures to help mitigate the effects of drought on the economy and the environment. [56]