**8. Case studies**

Outline of Oil Spill Detecting in Remote Sensing—The study of the major remote sensing gives major information about oil spills in marine surroundings or sea surface areas after accidents. Normally, the oil spills are caused by enormous accidents and their size of the oil area is covered from discharge region. After happening accidents, the huge regions can be covered by oil. The oil spill detection of accidents compared with smaller discharges will be different as the expected area of the oil spill will be different as the expected area of the oil spill will variation of the expected area of the oil spills in two different cases. The case of an accident is major assessment and the tracking is possible for oil trajectory models. gCaptain [63] shows a coast Guard photo from U.S. National Transporation Safety Board (NTSB) accident docket investigation on March 22nd, 2014 in the Houston Ship Channel (HUC).

The HUS is involving a cargo ship and a tank barge being measured by a Kirby tugboat. Its abound cargo ship MV Summer Wind collided with two-barge tow being led by the Kirby 27,706 tank barge and also pushed by the Kirby inland tow-boat Miss Susan at approximately 12:35 pm. In this case, most of the oil not immediately reaches the coastlines. The resulting collision is release of approximately 4000 barrels (168,000 gallons) of fuel oil into the waterway from a breach in the double hull of the Kirby 27,706 [71]. However, docket contains more than 4000 pages and it includes a summary of the oil incidents, transcripts from both vessels and witnesses aboard nearby vessels, and their factual report investigation. In 2002, many studies should be describing remote sensing of the Reputation accident; see the examples of [72]. The different satellites are such as ERS-2, ENVISAT, ASAR, RADARSAT-1, TerraSAR-X, and ALOS PALSAR data after oil spill incident on coastal. So, they associated the theoretical checking ratio from given frequency and its ratio estimated wind speed measurement. Normally, the sea surface conditions were not well appropriate to regularly detect surface oil out layer. But this could be covering a lack of sunglint the oil was difficult to show on visible band spectrum.
