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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">tinro</journal-id><journal-title-group><journal-title xml:lang="ru">Известия ТИНРО</journal-title><trans-title-group xml:lang="en"><trans-title>Izvestiya TINRO</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1606-9919</issn><issn pub-type="epub">2658-5510</issn><publisher><publisher-name>ТИНРО</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.26428/1606-9919-2020-200-427-444</article-id><article-id custom-type="elpub" pub-id-type="custom">tinro-568</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>УСЛОВИЯ ОБИТАНИЯ ПРОМЫСЛОВЫХ ОБЪЕКТОВ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ENVIRONMENTS OF FISHERIES RESOURCES</subject></subj-group></article-categories><title-group><article-title>ОЦЕНКА ОБЪЕМА ЛЬДА ОХОТСКОГО МОРЯ  ПО ЕГО ВОЗРАСТНЫМ ХАРАКТЕРИСТИКАМ  ЗА ПЕРИОД 2001–2019 ГГ.</article-title><trans-title-group xml:lang="en"><trans-title>Evaluation of ice volume in the Okhotsk Sea by the ice age characteristics for the period of 2001–2019</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Пищальник</surname><given-names>В. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Pishchalnik</surname><given-names>V. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Пищальник Владимир Михайлович, доктор технических наук, главный научный сотрудник</p><p> </p></bio><bio xml:lang="en"><p>Pishchalnik Vladimir M., D.Tech., principal researcher</p><p>290, Lenin Str., Yuzhno-Sakhalinsk, 693008</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Минервин</surname><given-names>И. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Minervin</surname><given-names>I. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минервин Игорь Георгиевич, кандидат физико-математических наук, врио директора</p><p> </p></bio><bio xml:lang="en"><p>Minervin Igor G., Ph.D., acting director, Special Design Bureau of Marine Research Automation</p><p>25, Maxim Gorky Str., Yuzhno-Sakhalinsk, 693023</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Трусков</surname><given-names>П. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Truskov</surname><given-names>P. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Трусков Павел Анатольевич, доктор технических наук, начальник отдела</p><p>123242, г. Москва, Новинский бульвар, 31 </p></bio><bio xml:lang="en"><p>Truskov Pavel A., D.Tech., head of department</p><p>  31, Novinsky Blvd, Moscow, 123242</p></bio><email xlink:type="simple">pavel.truskov@sakhalinenergy.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Сахалинский государственный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Sakhalin State University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>СКБ САМИ ДВО РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Far-Eastern branch of Russian Ac. Sci.</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Сахалин Энерджи Инвестмент Компани, Лтд.</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Sakhalin Energy Investment Co., Ltd.</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>30</day><month>06</month><year>2020</year></pub-date><volume>200</volume><issue>2</issue><fpage>427</fpage><lpage>444</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Пищальник В.М., Минервин И.Г., Трусков П.А., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Пищальник В.М., Минервин И.Г., Трусков П.А.</copyright-holder><copyright-holder xml:lang="en">Pishchalnik V.M., Minervin I.G., Truskov P.A.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://izvestiya.tinro-center.ru/jour/article/view/568">https://izvestiya.tinro-center.ru/jour/article/view/568</self-uri><abstract><p>На основе анализа данных, полученных с помощью пассивных и активных микроволновых спектрорадиометров c искусственных спутников Земли, с месячной дискретностью определены границы зон льда различного возраста в Охотском море за период с 2001 по 2019 г. Средневзвешенная толщина льда в выделенных зонах рассчитывалась на основе толщины трех основных возрастных характеристик и их весовых соотношений в ледяном покрове без учета деформации льда. Площадь этих зон вычислялась с учетом сплоченности льда. На основе полученных данных рассчитан объем льда в море и в его отдельных регионах. Анализ вариаций средних за сезон значений объемов льда позволил заключить, что в начале XXI века уменьшение объема льда в Охотском море в целом происходило со средней скоростью 32,2 км3/10 лет, при этом ледовитость снижалась на 3,2 %/10 лет, а средневзвешенная толщина льда — на 3,4 cм/10 лет. В Охотском море в целом за исследуемый период объем льда сократился на 34,5 %. Изменение объема произошло за счет уменьшения толщины льда и ледовитости соответственно на 60 и 40 %.</p></abstract><trans-abstract xml:lang="en"><p>Age of ice in the Okhotsk Sea in 2001–2019 is determined by analysis of satellite data from passive and active microwave spectroradiometers. The areas with certain age composition are contoured with monthly discreteness. Mean thickness of ice in these areas is calculated by weighted averaging of thickness for three main forms, neglecting the ice deformation. The ice volume is calculated by these areas, taking into account the ice concentration. The total mean winter ice volume in the Okhotsk Sea decreased in two decades with the rate of 32.2 km3/decade, on average, while the ice cover decreased by 3.2 %/decade and the average ice thickness decreased by 3.4 cm/decade. Total loss of the ice volume in the Okhotsk Sea in 2001–2019 is estimated as 34.5 %. The ice volume decreasing was caused by both ice thickness lowering (60 %) and ice cover reduction (40 %).</p></trans-abstract><kwd-group xml:lang="ru"><kwd>искусственные спутники Земли</kwd><kwd>ледовитость</kwd><kwd>толщина и объем льда</kwd><kwd>многолетняя изменчивость</kwd><kwd>Охотское море</kwd></kwd-group><kwd-group xml:lang="en"><kwd>satellite sensing</kwd><kwd>ice cover</kwd><kwd>ice thickness</kwd><kwd>ice volume</kwd><kwd>long-term variability</kwd><kwd>Okhotsk Sea</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Результаты настоящего исследования были получены в рамках выполнения государственного задания Минобрнауки России (номер для публикаций: 5.9510.2017/8.9).</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Алексеев Ю.Н., Астафьев В.Н., Литонов О.Е. и др. 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