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What is Hydrology?

Hydrology is a broad scientific discipline encompassing the occurrence, distribution, movement and properties of the waters of the earth and their relationship with the environment within each phase of the hydrologic cycle. On a practical level, hydrology may provide the underpinning for the multi-disciplinary fields of environmental sciences and engineering in relation to civil engineering projects, agriculture and land use planning.

Applications of hydrology can be seen in the following:

• Determining the water balance of a region.
• Determining the agricultural water balance
• Designing riparian restoration projects.
• Mitigating and predicting flood, landslide and drought risk.
• Real-time flood forecasting and flood warning.
• Designing irrigation schemes and managing agricultural productivity.
• Part of the hazard module in catastrophe modeling.
• Providing drinking water.
• Designing dams for water supply or hydroelectric power generation.
• Designing bridges.
• Designing sewers and urban drainage system.
• Analyzing the impacts of antecedent moisture on sanitary sewer systems.
• Predicting geomorphological changes, such as erosion or sedimentation.
• Assessing the impacts of natural and anthropogenic environmental change on water resources.
• Assessing contaminant transport risk and establishing environmental policy guidelines. 

How can Hydrologic Modeling work for you?

Through 7Q10 you gain access to many experts in the varied fields of Hydrology who can develop Hydrologic Models for your projects.  One such model is a Hydrologic Modeling System (HEC-HMS); this is a specific watershed model which is used to simulate the run-off processes.  A Hydrologic model can be used to determine and assist with water utilization, pollution control and mitigation, and flood control and mitigation.  Surface run off and aquifer recharge rates can also be modeled to give key information to developers or those involved with land use planning and implementation.