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    Wyświetlanie 1-4 z 4
    Tytuł:
    Evolution of longitude description system. Example of Polish school geographical atlases (1771-2012)
    Autorzy:
    Spallek, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/92476.pdf
    Data publikacji:
    2017
    Wydawca:
    Oddział Kartograficzny Polskiego Towarzystwa Geograficznego
    Tematy:
    school atlases
    geographical coordinate system
    description of longitude
    Prime Meridian
    Opis:
    The evolution of the mathematical foundations of maps in school geographical atlases, especially in 19th and 20th century, was one of the elements of the perception of progress in cartography by the didactics of geography. The biggest changes, ongoing also today, concerned cartographic projections used to maps design. The evolution of the geographical coordinate system is a part of this process and the basis of the theory of cartographic projections. In the paper there are described changes concerning the location of the Prime Meridian and the method of the description of longitude - elements necessary for the construction of the grid of meridians and parallels. These changes are presented on the basis of analysis of 665 atlases, what means all editions of Polish school geographical atlases between 1771 and 2012 identified by the author. The evolution of the mathematical foundations of maps in Polish school atlases over more than two centuries is an example of assimilation of the newest trends and scientific researches that takes place between science and education.
    Źródło:
    Polish Cartographical Review; 2017, 49, 4; 177-186
    2450-6974
    Pojawia się w:
    Polish Cartographical Review
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The investigation of relationship of heating and cooling degree hour calculations for Southeastern Anatolia Region with altitude, latitude and longitude
    Autorzy:
    Yucel, A.
    Atilgan, A.
    Oz, H.
    Saltuk, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/101504.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
    Tematy:
    altitude
    cooling
    degree-hours
    heating
    latitude
    longitude
    Opis:
    Degree-day values can be calculated using climatic data. Thus, seasonal, monthly, daily and hourly energy requirements for heating and cooling in buildings can be calculated. The effect of outside ambient temperature can be determined by means of the degree-day method in determining the basic temperature values in buildings. The altitude and latitude affect significantly the temperature distribution in the Earth. Thus, the latitude and altitude values are required to determine the degree hour values. This study was taken in 9 provinces located in the Southeastern Anatolia Region (SAR). The annual outdoor dry-bulb thermometer temperatures for a long period of nine provinces in the SAR were obtained to determine heating and cooling degree hour values according to the six different base temperatures. According to the suggested six different base temperature values, the cumulative long-term annual heating degree-hour (HDH) value was 50862 in total for Gaziantep province. The lowest cumulative long-term annual heating degree-hour value took place in Sanliurfa province as 39638. Also, the highest total cooling degree-hour (CDH) value took place in Sanliurfa province as 10886 degree-hour value and the lowest value took place in Sirnak province as 3909. It was determined that there was not an exact linear or monotonous relationship between HDH and CDH values and altitude, latitude and longitude values. However, although it was seen that the relationship of CDH values with the altitude was not a formal linear or monotonous relationship, it was determined that CDH values decreased linearly together with the increasing altitude values when the values were examined.
    Źródło:
    Infrastruktura i Ekologia Terenów Wiejskich; 2016, III/1; 673-683
    1732-5587
    Pojawia się w:
    Infrastruktura i Ekologia Terenów Wiejskich
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Middle rules and rhumb-line sailing
    Autorzy:
    Petrović, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/259341.pdf
    Data publikacji:
    2017
    Wydawca:
    Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
    Tematy:
    marine navigation
    middle latitude
    middle longitude
    orthodrome
    loxodrome
    Opis:
    This work tackles the problem of misconception when using sophisticated mathematical tools, nonlinear optimization in this particular case, to solve a navigational problem. Namely, to reach the Great Circle vertex with two rhumb line legs ensuing the optimized distance, an initial rhumb line course equal to the orthodromic course at middle latitude may be used. The initial course is thereupon optimized by the incremental value steps. The optimized distance is achieved if the rhumb line course is altered towards the vertex at the orthodrome-loxodrome intersection point. As determination of this point cannot be formulated in a closed form, an iterative solution is to be applied. The derived transcendental equation forms a basis for an iterative solution of intersection using the Newton-Raphson method. To the contrary, finding solutions to a system of nonlinear equations can mislead a researcher unable to comprehend and grasp the mathematical meanings of the algorithm. The gist of this essay is a novel concept showing an intrinsic property i.e. orthodrome-loxodrome correlation using a well-known formula.
    Źródło:
    Polish Maritime Research; 2017, 2; 13-16
    1233-2585
    Pojawia się w:
    Polish Maritime Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Astronomical observations for determining the lattitude and longitude of an age point on Arctowski Station on King George Island
    Autorzy:
    Jasnorzewski, Jerzy
    Powiązania:
    https://bibliotekanauki.pl/articles/2058040.pdf
    Data publikacji:
    1981
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Źródło:
    Polish Polar Research; 1981, 2, 3-4; 159-162
    0138-0338
    2081-8262
    Pojawia się w:
    Polish Polar Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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