Hydraulics and Hydrology Knowledge Base | ArchSu https://www.archsu.com/en/bilgi-bankasi 2026-10-20T00:00:00Z ArchSu How Is Flood Discharge Calculated? Methods and Selection Criteria https://www.archsu.com/en/bilgi-bankasi/taskin-debisi-nasil-hesaplanir 2026-10-20T00:00:00Z Flood discharge calculation: frequency analysis, the Rational Method and SCS-CN by data situation, return-period choice and checking the result. What Is Hydrological Modelling? Types, Inputs and Limits https://www.archsu.com/en/bilgi-bankasi/hidrolojik-modelleme-nedir 2026-10-20T00:00:00Z What hydrological modelling is: its components, event-based and continuous, lumped and distributed model types, required data, calibration and limits. How Is a Hydrological Analysis Done? From Catchment to Design Discharge https://www.archsu.com/en/bilgi-bankasi/hidroloji-analizi-nasil-yapilir 2026-10-20T00:00:00Z The steps of a hydrological analysis: catchment definition, rainfall data, time of concentration, rainfall-runoff method, frequency analysis and result checks. How Is a Flood Risk Analysis Done? A Step-by-Step Workflow https://www.archsu.com/en/bilgi-bankasi/taskin-risk-analizi-nasil-yapilir 2026-10-20T00:00:00Z The steps of a flood risk analysis: scope, data, hydrology, hydraulic model, hazard maps compared with parcel elevations, uncertainty and reporting. Climate Change and Flood Discharges https://www.archsu.com/en/bilgi-bankasi/iklim-taskin-debileri 2026-10-19T00:00:00Z Basin- and scenario-specific climate sensitivity assessment of flood discharges. Hydraulic Sizing of Bridges and Culverts https://www.archsu.com/en/bilgi-bankasi/kopru-menfez-hidrolik 2026-10-19T00:00:00Z Discharge, water level, freeboard and scour assessments for bridges and culverts. Preparing a Hydrological Study Report https://www.archsu.com/en/bilgi-bankasi/hidrolojik-etut-raporu 2026-10-19T00:00:00Z Hydrological study steps based on rainfall data, catchment properties and project requirements. How a Post-Flood Technical Review Is Done https://www.archsu.com/en/bilgi-bankasi/taskin-sonrasi-teknik-inceleme 2026-10-17T00:00:00Z High-water marks, rainfall and flow records, structure inspection and model calibration: the general stages of a technical review of a flood event. Why Urban Flooding Happens https://www.archsu.com/en/bilgi-bankasi/kentsel-taskin-nedenleri 2026-10-17T00:00:00Z The hydraulic causes of flooding from streams, stormwater networks and surface runoff: impervious surfaces, culvert capacity, backwater and channel change. Flash Flood vs River Flood vs Urban Flooding https://www.archsu.com/en/bilgi-bankasi/sel-tasma-su-baskini-farki 2026-10-17T00:00:00Z How official Turkish texts define sel and taşkın, why su baskını is a separate question and what data each needs. Terms, hazard maps and return periods explained. What Is 2D Flood Analysis? Comparing HEC-RAS 1D and 2D https://www.archsu.com/en/bilgi-bankasi/hec-ras-1d-2d 2026-10-06T00:00:00Z HEC-RAS 2D flood analysis: terrain data, mesh, boundary conditions, maps and result checks. Data and Project Files Required for Flood Analysis https://www.archsu.com/en/bilgi-bankasi/taskin-analizi-gerekli-veriler 2026-10-05T00:00:00Z A practical guide to preparing location, survey, rainfall-flow, structure and authority-request files for a flood study. DSİ Flood Reports and the Building-Permit Process https://www.archsu.com/en/bilgi-bankasi/taskin-analizi-raporu 2026-10-05T00:00:00Z Understand flood reports, authority opinions and building permits in Turkey: report scope, required data, method selection and steps after delivery. Sediment Transport and Bed Stability in River Rehabilitation https://www.archsu.com/en/bilgi-bankasi/sediment-yatak-dengesi 2026-10-04T00:00:00Z Examine sediment supply, transport capacity, deposition and scour, with data, scenario and maintenance requirements. Bank Protection: Riprap, Gabions and Vegetation https://www.archsu.com/en/bilgi-bankasi/kiyi-tahkimati-secenekleri 2026-10-04T00:00:00Z Choose protection using shear, scour, filters, transitions and maintenance, not material names alone. Evaluating Freeboard in Hydraulic Design https://www.archsu.com/en/bilgi-bankasi/serbest-tasma-payi 2026-10-04T00:00:00Z Assess allowances above water levels considering uncertainty, waves, blockage and maintenance. River Channel Sections: Rectangular and Trapezoidal Options https://www.archsu.com/en/bilgi-bankasi/dere-islahi-kesit-secimi 2026-10-04T00:00:00Z Compare rectangular and trapezoidal sections through area, perimeter, velocity, freeboard, site constraints and maintenance. Normal and Critical Depth in Open Channels https://www.archsu.com/en/bilgi-bankasi/normal-kritik-derinlik 2026-10-04T00:00:00Z Distinguish normal depth, critical depth and actual profiles using Manning, Froude number and an example section. Hydraulic Model Calibration and Validation https://www.archsu.com/en/bilgi-bankasi/hidrolik-model-kalibrasyonu 2026-10-04T00:00:00Z Use observed levels, flows and flood marks, distinguishing calibration, independent validation and numerical checks. HEC-RAS 2D: Cell Size, Breaklines and Time Steps https://www.archsu.com/en/bilgi-bankasi/hec-ras-2d-hesap-agi 2026-10-04T00:00:00Z Build meshes around hydraulic controls and assess cell size, breaklines, time steps, stability and sensitivity together.