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  • American air mass properties 

    Willett, Hurd C. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1933-06)
    In this paper the term Air Mass is applied to an extensive portion of the earth's atmosphere which approximates horizontal homogeneity. The formation of an air mass in this sense takes place on the earth's surface wherever ...
  • Discussion and illustration of problems suggested by the analysis of atmospheric cross-sections 

    Willett, Hurd C. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1935-07)
    The preparation of atmospheric cross-sections, in which the fields of the various meteorological elements are represented in the vertical plane containing a number of synoptic aerological soundings, has long been a part ...