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      <marc:subfield code="a">Smith, Roger J., </marc:subfield>
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      <marc:subfield code="a">Characteristics of the urban heat island at Georgetown, Ontario / </marc:subfield>
      <marc:subfield code="c">by Roger J. Smith.</marc:subfield>
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      <marc:subfield code="a">Toronto : </marc:subfield>
      <marc:subfield code="b">Atmospheric Environment Service, Climatology Division, </marc:subfield>
      <marc:subfield code="c">January 1972.</marc:subfield>
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      <marc:subfield code="a">Project report (Canadian Meteorological Service. Climatology Division) ; </marc:subfield>
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      <marc:subfield code="a">Digitized edition from print [produced by Environment and Climate Change Canada].</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references (page 28).</marc:subfield>
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      <marc:subfield code="a">"Climatologists have recognized for over a century that urban places are capable of modifying the temperature of the air above them. Since this modification is almost always an increase, the phenomenon is referred to as the urban "heat island". The foremost contributors to our present knowledge of urban climates include Sundborg(1951), Kratzer (1956), Landsberg (1956), Mitchell (1961), Chandler (1962,1965) and Woollum (1964)"--Introduction.</marc:subfield>
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      <marc:subfield code="a">Canadian Meteorological Service.</marc:subfield>
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      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2020/eccc/En57-46-7-eng.pdf</marc:subfield>
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