Bernstein, Aaron, Naturwissenschaftliche Volksbücher, Bd. 1/5, 1897

List of thumbnails

< >
91
91 (81) 		92
92 (82)
93
93 (83) 		94
94 (84)
95
95 (85) 		96
96 (86)
97
97 (87) 		98
98 (88)
99
99 (89) 		100
100 (90)
< >
page |< < (87) of 624 > >|
    <echo version="1.0RC">
      <text xml:lang="de" type="free">
        <div xml:id="echoid-div58" type="section" level="1" n="38">
          <p>
            <s xml:id="echoid-s1205" xml:space="preserve">
              <pb o="87" file="097" n="97"/>
            ſchaulicht. </s>
            <s xml:id="echoid-s1206" xml:space="preserve">Man ſpricht daher auch von barometriſchen
              <lb/>
            “Wirbeln”. </s>
            <s xml:id="echoid-s1207" xml:space="preserve">Und zwar gilt das Geſetz: </s>
            <s xml:id="echoid-s1208" xml:space="preserve">
              <emph style="sp">das barometriſche
                <lb/>
              Minimum wird von den Winden</emph>
            im
              <emph style="sp">umgekehrten
                <lb/>
              Sinne des Uhrzeigers umkreiſt</emph>
            . </s>
            <s xml:id="echoid-s1209" xml:space="preserve">Iſt das Minimum
              <lb/>
            ſehr tief, ſo kann man ſehen, daß die Witterung Deutſchlands,
              <lb/>
            Öſterreichs, Frankreichs, Englands, Skandinaviens u. </s>
            <s xml:id="echoid-s1210" xml:space="preserve">ſ. </s>
            <s xml:id="echoid-s1211" xml:space="preserve">w.
              <lb/>
            </s>
            <s xml:id="echoid-s1212" xml:space="preserve">gleichzeitig beeinflußt wird, indem die Winde des ganzen großen
              <lb/>
            Gebietes alle jenem einen Wirbel zuſtrömen. </s>
            <s xml:id="echoid-s1213" xml:space="preserve">Je tiefer das
              <lb/>
            Minimum iſt, um ſo ſtärker ſind die “Luftdruckgegenſätze”, um
              <lb/>
            ſo zahlreicher die eingetragenen Linien gleichen Barometer-
              <lb/>
              <figure xlink:label="fig-097-01" xlink:href="fig-097-01a" number="26">
                <caption xml:id="echoid-caption24" xml:space="preserve">Fig. 25.</caption>
                <description xml:id="echoid-description1" xml:space="preserve">Gebiet
                  <lb/>
                hohen
                  <lb/>
                Drucks.
                  <lb/>
                Gebiet
                  <lb/>
                niedrigen
                  <lb/>
                Drucks.</description>
              </figure>
            ſtandes (die ſogenannten “
              <emph style="sp">Iſobaren</emph>
            “), um ſo heftiger die
              <lb/>
            Winde und um ſo verbreiteter die Niederſchläge.</s>
            <s xml:id="echoid-s1214" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s1215" xml:space="preserve">Sieht man nun am nächſten Tage ſich die Wetterkarte
              <lb/>
            wieder an, ſo bemerkt man, daß das Minimum eine andere
              <lb/>
            Lage einnimmt als am Tage zuvor: </s>
            <s xml:id="echoid-s1216" xml:space="preserve">in den meiſten Fällen iſt
              <lb/>
            es dann nach Oſten weitergewandert. </s>
            <s xml:id="echoid-s1217" xml:space="preserve">Wenn nun noch hinzu-
              <lb/>
            gefügt wird, daß die Minima ganz beſtimmte Zugſtraßen zu
              <lb/>
            bevorzugen pflegen, welche auf der Landkarte in Fig. </s>
            <s xml:id="echoid-s1218" xml:space="preserve">26 durch
              <lb/>
            Schraffierung kenntlich gemacht ſind, ſo wird man ſich nicht
              <lb/>
            wundern, daß man die Lage des Minimums mit einiger Be-
              <lb/>
            ſtimmtheit 24 Stunden vorherſagen kann. </s>
            <s xml:id="echoid-s1219" xml:space="preserve">Daraus aber </s>
          </p>
        </div>
      </text>
    </echo>
Impressum