Flood water depth estimation — A survey

Nair, Bhavana B.; Rao, Sethuraman N

doi:10.1109/iccic.2016.7919573

Cited by 16 publications

(3 citation statements)

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“…The depth of floodwater is a measure of the level of water from its normal level. In some cases, the depth of water is a measured from surface to the lowest point [22]. Buildings, plants and humans have different degree of tolerance to flood water.…”

Section: Depth Of Watermentioning

confidence: 99%

A Review of Key Activities in Hydro Meteorological Disaster Management

Chuan¹,

Thiruchelvam²,

Ghazali³

et al. 2018

IJET

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One of the most highlighted issues in the developing world of the 21st century is the hydrometeorological disasters. Developed and developing nations are all affected by the more prominent climate change. There has been a rise in disaster occurrences over the past decade that this has caused more attention to be given to the topic of disaster management especially to floods. The scale of these disaster events has also intensified and have broken past records with more destructive disasters. This paper intends to review the activities related to hydrometeorological disaster. Key activities are broken down into three different phases, namely pre-disaster, during disaster and post-disaster. Understanding the activities involved is pertinent to not only the lead agencies and non-governmental organizations but plays a bigger role for the vulnerable communities. In the past, communities were the last group to be participative in disaster risk reduction efforts. Today, communities are being engaged from early stage to empower them to be resilient towards the possibility of facing future flood disaster. Evacuation planning and logistics arrangement are key activities prior to the occurrence of any disaster which will ease the implementation of search and rescue operations. However during disaster, it is important for the early warning system to be functioning to alert the affected communities. People also need to be aware of the outbreak of diseases during flood disaster. Finally, post-disaster efforts focuses more on the restoration of damaged infrastructure as well as the mental state of the affected victims. Understanding these key activities will increase the awareness of stakeholders in reducing loss of life and minimizing damages towards properties.

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Section: Depth Of Watermentioning

confidence: 99%

A Review of Key Activities in Hydro Meteorological Disaster Management

Chuan¹,

Thiruchelvam²,

Ghazali³

et al. 2018

IJET

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“…In order to evaluate severity of floods, the two parameters of most interest could be coverage and flood water depth, among which the second parameter estimation could be the most challenging. Methods of flood depth estimation can be divided into two basic groups as with contact water level gauges and non-contact water level gauges [4]. The former group uses hardware systems such as sensors, level indicators and other measurement stations, which make contact with water, or are kept underwater or on the water surface, to measure the water levels.…”

Section: Introductionmentioning

confidence: 99%

Flood Water Depth Estimation for the Historical Flood in Quang Binh Province, Vietnam in 2020 Using Sentinel-1a Images

An¹,

Phát²,

Đông³

et al. 2022

TNUJST

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Lũ lụt là một hiện tượng tự nhiên thường gây ra các hậu quả nghiêm trọng cho cuộc sống của con người. Việc ước lượng độ sâu ngập lụt sẽ giúp cho con người đưa ra được các giải pháp phù hợp để xử lý các ảnh hưởng tàn phá của lũ lụt. Các phương pháp ước lượng độ sâu ngập lụt sử dụng ảnh viễn thám đã nhận được nhiều sự quan tâm và được sử dụng phổ biến trong các thập kỷ gần đây. Bài báo này đề xuất một phương pháp để xây dựng bản đồ độ sâu ngập lụt của tỉnh Quảng Bình, Việt Nam trong trận lũ lịch sử năm 2020 dựa trên ảnh Sentinel-1A. Phương pháp trong bài báo là sự kết hợp của phương pháp Otsu kinh điển và phương pháp loang được đề xuất mới. Phương pháp Otsu trước tiên được sử dụng để xây dựng các bản đồ nước hiện thời. Sau đó, phương pháp loang được thực hiện trên các bản đồ nước hiện thời này để xác định độ sâu ngập lụt. Phương pháp ước lượng độ sâu ngập lụt được đề xuất trong bài báo này đã chứng minh được sự đơn giản về tính toán, tốc độ gần thời gian thực và cung cấp độ chính xác tương đối tốt.

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“…Detection of water level measurements using a water gauge was done in mountainous areas as well [4], [5] and tidal [6]. The method of data acquisition has also been carried out both in real-time [7] and not in realtime [8]. Water level measurement techniques have performed using ultrasonic sensors [9], radar waves [10], and camera sensors [11].…”

Section: Introductionmentioning

confidence: 99%

Early warning flood detector adopting camera by Sobel Canny edge detection algorithm method

Utomo

Irawan

Alinra

2021

IJEECS

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Early warning of floods is an essential part of disaster management. Various automatic detectors have been developed in flood mitigation, including cameras. But reliability and accuracy have not been improved. Besides, the use of monitoring devices has been employed to monitor water levels in various water building facilities. The early warning flood detector was carried out with a sensor camera using an orange ball that floats near the water level gauge in a bounding box. This approach uses the integration of computer vision and image processing, namely digital image processing techniques, with Sobel Canny edge detection (SCED) algorithms to detect quickly and accurately water levels in real-time. After the water level is measured, a flood detection process is carried out based on the specified water level. According to the results of experiments in the laboratory, it has been shown that the proposed approach can detect objects accurately and fast in real-time. Besides, from the water level detection experiment, good results were obtained. Therefore, the object detection system and water level can be used as an efficient and accurate early detection system for flood disasters.

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Flood water depth estimation — A survey

Cited by 16 publications

References 0 publications

A Review of Key Activities in Hydro Meteorological Disaster Management

A Review of Key Activities in Hydro Meteorological Disaster Management

Flood Water Depth Estimation for the Historical Flood in Quang Binh Province, Vietnam in 2020 Using Sentinel-1a Images

Early warning flood detector adopting camera by Sobel Canny edge detection algorithm method

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