sounding lead (in Oceanography) скачать в хорошем качестве

sounding lead (in Oceanography)

morethancobuildlessthanwikipedia Recommended for English learners with TOEFL iBT:72–120, IELTS: 5.5–9.0, Cambridge English: 160-230, TOEIC: 1560–1990, 実用技能英語検定(英検)準1級-1級 #TOEFL iBT #IELTS #Cambridge English #TOEIC #英検実用技能英語検定準1級-1級 This video is designed for English learners who hope to expand their advanced English vocabulary with texts from academic fields. #advancedEnglish #vocabulary #academicEnglish #practicalEnglish #Englishskill Assisted by Perplexity, with some edits by the web content creator Video Title: #sounding lead #Oceanography subtitles sounding lead Mapping Coastal Seafloor Hazards and Navigation Sounding lead is a classic tool for measuring depth along busy shipping routes Because mariners still rely on nautical charts, the sounding lead remains useful where electronic echo sounders may fail or lose power In coastal navigation, a sailor lowers a sounding lead on a marked line to check depth before entering a harbor or crossing a shallow bar For example, a small fishing boat approaching a rocky inlet may use a sounding lead, read the fathom marks on the line, compare them with the charted depth, and then choose a safer channel In another case, a survey launch mapping seafloor features might drop a sounding lead, note the depth, sample the seabed mud on the tallow in the base, and record both depth and bottom type in a logbook After the second example is clear, sounding lead data can be combined with echo sounding to cross-check depth and improve modern bathymetric maps In summary, sounding lead, Mapping Coastal Seafloor Hazards and Navigation explains how this simple weight and line still support safe oceanography and marine navigation So sounding lead means "a weighted line, traditionally with a lead plummet, used from a vessel to measure water depth and often to sample the sea floor" This simple device links historical seamanship with modern ocean surveying by providing direct, physical depth readings Synonyms include lead line sounding line and depth lead Get subtitles from the description