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Sonntag, 27 März 2016 12:29

Tagebau Welzow

Tagebau Welzow

Vor einiger Zeit hatte ich die Gelegenheit im Braunkohle-Tagebau Welzow fotografieren zu können. Als Teil einer geführten Geländewagen-Tour war es möglich in Bereiche vorzudringen, die dem Beobachter von den offiziellen Aussichtspunkten verborgen bleiben. 

Das Betriebsgelände ist nur in Verbindung mit einer gebuchten Tour zugänglich. Dazu gehören auch Jeep-Touren, die von örtlichen Tourismusorganisatoren durchgeführt werden. Im Geländewagen ist es dann relativ problemlos möglich die ansonsten nicht passierbaren Abfahrten hinein in den Tagebau zu meistern. Der Tagebau Welzow fördert täglich 50k Tonnen Braunkohle, die zu 2/3 direkt in das benachbarte Kraftwerk gespeist werden, zu Spitzenzeiten lässt sich die Förderleistung auf 100k Tonnen hochschrauben. Das eigentliche Kohleflötz hat nur eine Mächtigkeit von 10 bis 15 Metern, darüber befindet sich aber das Deckgebirge von 90 bis 150 Metern, das als Abraum erst mal beseitigt werden muss. Dementsprechend groß ist das Abbaugebiet und die darin befindlichen Maschinen.

Aus fotografischer Sicht war es mir primär wichtig die Weitläufigkeit des Abbaugebietes einzufangen. Um eine geeignete Bildwirkung zu erzielen muss ein Bildelement vorhanden sein, über das der Betrachter die tatsächliche Größe einschätzen kann. Geeignet dafür sind Objekte, deren Größe man aus dem Alltag kennt, z.B. ein Bagger, eine Hütte oder eine Schiene. Natürlich eignen sich für diese Art Bilder besonders Weitwinkelobjektive, um möglichst viel von der Landschaft ins Bild zu pressen. Als Nebeneffekt nimmt auch der Himmel entsprechend viel Platz ein und verstärkt bei geeigneter Textur noch den Eindruck der Tiefe im Bild. Geeignete Textur bedeutet in dem Fall, dass er nicht einfach einfarbig blau oder grau sein sollte, sondern Wolken vorhanden sein müssen, die sich möglichst gut einzeln abgrenzen. Das Beispielbild wurde mit dem 14mm Walimex f2.8 gemacht und liefert am Vollformat schon einen enorm großen Bildausschnitt. Der orange Versorgungszug übernimmt die Rolle des Maßstabsgebers, dem Betrachter wird auch ohne die exakte Größe des Zuges zu kennen sofort klar, wie riesig die Flächen sein müssen im Bild. Unterstützt wird dieser Effekt natürlich auch von der Linienführung: Alle Grabenwände laufen auf einen gemeinsamen Fluchtpunkt am Horizont zu, der Betrachter wird quasi gezwungen dem Graben in der Mitte zu folgen.

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Sehr interessant sind im Tagebau auch die verschiedenen Farben und Strukturen, die entstehen. Der Abraum besteht weitestgehend aus Sand, der durch den Absetzer wieder aufgeschichtet wird. Entsprechend anfällig ist die so neu geschaffene Landschaft für Erosion. Insbesondere Regen schwemmt viel Boden aus und erzeugt so sehr interessante Sandformationen. Der Sand hat keine einheitliche Farbe, da auch er in verschiedenen Epochen der Erdgeschichte abgelagert wurde (man darf nicht vergessen, dass diese gigantischen Bagger in Sekunden Millionen Jahre Erdgeschichte umgraben). Spannend sind auch die Farben, die durch den sogenannten "Lausitzer Ocker" gebildet werden. Leider handelt es sich dabei eigentlich um ein massives Umweltproblem, das in der Umgebung von Tagebaugebieten zur Bedrohung für Pflanzen und Tiere geworden ist.

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Die Lichtverhältnisse waren leider nicht optimal. Alle Bilder sind in der Mittagszeit entstanden bei durchgehend grauem Himmel. Entsprechend flau sahen viele der Bilder out of cam aus. Mit der entsprechenden Kontrastanpassung in Lightroom ließ sich aber der Dynamikumfang der Bilder deutlich erhöhen, so dass im Himmel wieder einzelne Wolken erkennbar waren und die wenigen Farben im Tagebau wieder etwas mehr zu leuchten begannen. Der Workflow dabei ist für mich immer recht ähnlich. Die Tiefen/Lichter-Regler werden genutzt, um möglichst viel Restinformation aus den RAWs rauszuholen, nicht selten werden beide Regler fast bis zum Anschlag (Tiefen hoch, Lichter runter) gezogen. Um dann das Histogramm wieder zu strecken, nutze ich die Regler für weiß und schwarz und achte darauf, dass keine Bereiche ausbrennen oder unterbelichtet werden. Etwas Klarheit bringt dann noch den nötigen Mikrokontrast und verstärkt die Farben etwas im Bild.

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Zum Schluss noch ein paar Eindrücke von diesem Tag im Welzower Tagebau.

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107240 Kommentare

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  • Kommentar-Link Jesustycle Montag, 14 April 2025 13:07 gepostet von Jesustycle

    Страна Индия, как страна с богатым культурным наследием и традициями, привлекает внимание не только лишь странников, да и тех, кто увлекается медициной и модой. В этой статье мы рассмотрим два уникальных аспекта индийской жизни: лекарства из Индии и необыкновенные предметы, которые можно найти в шоу-румах.

    Лекарства из Индии

    Индийская медицина знаменита своими древними https://tire-garden-towada.com/2023/04/21/hello-world/#comment-35543 традициями, среди которых важно выделить аюрведу. Эта система лечения основана на использовании природных компонент и издавна признана за свою эффективность.

    1. Аюрведа: В аюрведе используются травы, специи и масла, которые http://techmagazine.co.za/razer-kishi/?unapproved=634963&moderation-hash=b8dfa8fcf277935e8d78c6caef4dd594#comment-634963 подсобляют в лечении различных заболеваний. Нередко применяются такие продукты, как турмерик (куркума), ашвагандха, брами и другие. Эти препараты содействуют укреплению иммунной системы, улучшению размена веществ и балансировке жизненной энергии.

    2. Современные лекарства: Индия также является одним из крупнейших производителей дженериковых препаратов в мире. Местные фармацевтические компании издают множество фармацевтических средств, доступных по более по разумным по сравнению с западными аналогами, что делает их очень популярными в мире.

    3. Традиционные средства: Кроме к аюрведе, в Индии обширно употребляются и прочие классические способы лечения, такие как юнани и siddha. Эти практики связаны с глубокими познаниями о здоровье и природе, которые передавались из поколения в поколение.

    Гала-шоу-рум вещей

    Индийская мода это уникальное сочетание традиций и современности. В различных гала-шоу-румах можно https://www.geowest.at/hallo-welt/?unapproved=192604&moderation-hash=04c928560cba3df1980bba38eecde968#comment-192604 отыскать множество увлекательных и уникальных предметов.

    1. Одежда и девайсы: В индийских шоу-румах представлены как классические одежды, такие как сари и курты, так и современные наряды, которые воодушевлены индийской культурой. Довольно частенько вы найдете изделия ручной работы, к примеру, вышитые вещи или изделия из натуральных тканей.

    2. Ювелирные изделия: Гала-шоу-румы предлагают широкий выбор ювелирных украшений от классических золотых до современных дизайнов с применением полудрагоценных камней и декоративных элементов. Это великолепный способ подчеркнуть индивидуальность и стиль.

    3. Декор для дома: Индийские шоу-румы также делают отличное предложение разнообразные предметы для интерьера, в том числе текстиль, керамика и деревянные изделия. Эти вещи довольно частенько имеют калоритные цвета и уникальные узоры, которые прекрасно вписываются в современный интерьер.

    4. Подарки и сувениры: Множество интересных и уникальных сувениров и даров можно отыскать в индийских гала-шоу-румах. Это отличный метод привезти частичку Индии с собой.

    Заключение

    Индийские лекарства и предметы моды это два нюанса, которые дивят своим многообразием и глубиной. Лекарства, основанные на древних традициях, предлагают другие подходы к исцелению, в то время как шоу-румы даруют возможность насладиться красой и культурой Индии через уникальные вещи. В конечном счете, оба этих направления представляют Индии как страну, где античные традиции встречаются с современными нововведениями, но даже это делает её по-истинному уникальной.

  • Kommentar-Link OctavioJig Montag, 14 April 2025 12:56 gepostet von OctavioJig

    ‘A whole different mindset’
    Accurate clockwork is one matter. But how future astronauts living and working on the lunar surface will experience time is a different question entirely.
    kra cc
    On Earth, our sense of one day is governed by the fact that the planet completes one rotation every 24 hours, giving most locations a consistent cycle of daylight and darkened nights. On the moon, however, the equator receives roughly 14 days of sunlight followed by 14 days of darkness.

    “It’s just a very, very different concept” on the moon, Betts said. “And (NASA is) talking about landing astronauts in the very interesting south polar region (of the moon), where you have permanently lit and permanently shadowed areas. So, that’s a whole other set of confusion.”
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    “It’ll be challenging” for those astronauts, Betts added. “It’s so different than Earth, and it’s just a whole different mindset.”

    That will be true no matter what time is displayed on the astronauts’ watches.

    Still, precision timekeeping matters — not just for the sake of scientifically understanding the passage of time on the moon but also for setting up all the infrastructure necessary to carry out missions.

    The beauty of creating a time scale from scratch, Gramling said, is that scientists can take everything they have learned about timekeeping on Earth and apply it to a new system on the moon.

    And if scientists can get it right on the moon, she added, they can get it right later down the road if NASA fulfills its goal of sending astronauts deeper into the solar system.

    “We are very much looking at executing this on the moon, learning what we can learn,” Gramling said, “so that we are prepared to do the same thing on Mars or other future bodies.”

  • Kommentar-Link ArthurCUM Montag, 14 April 2025 12:44 gepostet von ArthurCUM

    Space, time: The continual question
    If time moves differently on the peaks of mountains than the shores of the ocean, you can imagine that things get even more bizarre the farther away from Earth you travel.
    kra31 cc
    To add more complication: Time also passes slower the faster a person or spacecraft is moving, according to Einstein’s theory of special relativity.

    Astronauts on the International Space Station, for example, are lucky, said Dr. Bijunath Patla, a theoretical physicist with the US National Institute of Standards and Technology, in a phone interview. Though the space station orbits about 200 miles (322 kilometers) above Earth’s surface, it also travels at high speeds — looping the planet 16 times per day — so the effects of relativity somewhat cancel each other out, Patla said. For that reason, astronauts on the orbiting laboratory can easily use Earth time to stay on schedule.
    https://kra30c.cc
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    For other missions — it’s not so simple.

    Fortunately, scientists already have decades of experience contending with the complexities.

    Spacecraft, for example, are equipped with their own clocks called oscillators, Gramling said.

    “They maintain their own time,” Gramling said. “And most of our operations for spacecraft — even spacecraft that are all the way out at Pluto, or the Kuiper Belt, like New Horizons — (rely on) ground stations that are back on Earth. So everything they’re doing has to correlate with UTC.”
    But those spacecraft also rely on their own kept time, Gramling said. Vehicles exploring deep into the solar system, for example, have to know — based on their own time scale — when they are approaching a planet in case the spacecraft needs to use that planetary body for navigational purposes, she added.

    For 50 years, scientists have also been able to observe atomic clocks that are tucked aboard GPS satellites, which orbit Earth about 12,550 miles (20,200 kilometers) away — or about one-nineteenth the distance between our planet and the moon.

    Studying those clocks has given scientists a great starting point to begin extrapolating further as they set out to establish a new time scale for the moon, Patla said.

    “We can easily compare (GPS) clocks to clocks on the ground,” Patla said, adding that scientists have found a way to gently slow GPS clocks down, making them tick more in-line with Earth-bound clocks. “Obviously, it’s not as easy as it sounds, but it’s easier than making a mess.”

  • Kommentar-Link Franknep Montag, 14 April 2025 12:43 gepostet von Franknep

    Lunar clockwork
    What scientists know for certain is that they need to get precision timekeeping instruments to the moon.
    kraken официальный сайт
    Exactly who pays for lunar clocks, which type of clocks will go, and where they’ll be positioned are all questions that remain up in the air, Gramling said.

    “We have to work all of this out,” she said. “I don’t think we know yet. I think it will be an amalgamation of several different things.”
    https://kra30c.cc
    kraken
    Atomic clocks, Gramling noted, are great for long-term stability, and crystal oscillators have an advantage for short-term stability.
    “You never trust one clock,” Gramling added. “And you never trust two clocks.”

    Clocks of various types could be placed inside satellites that orbit the moon or perhaps at the precise locations on the lunar surface that astronauts will one day visit.

    As for price, an atomic clock worthy of space travel could cost around a few million dollars, according Gramling, with crystal oscillators coming in substantially cheaper.

    But, Patla said, you get what you pay for.

    “The very cheap oscillators may be off by milliseconds or even 10s of milliseconds,” he added. “And that is important because for navigation purposes — we need to have the clocks synchronized to 10s of nanoseconds.”

    A network of clocks on the moon could work in concert to inform the new lunar time scale, just as atomic clocks do for UTC on Earth.

    (There will not, Gramling added, be different time zones on the moon. “There have been conversations about creating different zones, with the answer: ‘No,’” she said. “But that could change in the future.”)

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  • Kommentar-Link Peterhierm Montag, 14 April 2025 12:03 gepostet von Peterhierm

    ‘A whole different mindset’
    Accurate clockwork is one matter. But how future astronauts living and working on the lunar surface will experience time is a different question entirely.
    kraken
    On Earth, our sense of one day is governed by the fact that the planet completes one rotation every 24 hours, giving most locations a consistent cycle of daylight and darkened nights. On the moon, however, the equator receives roughly 14 days of sunlight followed by 14 days of darkness.

    “It’s just a very, very different concept” on the moon, Betts said. “And (NASA is) talking about landing astronauts in the very interesting south polar region (of the moon), where you have permanently lit and permanently shadowed areas. So, that’s a whole other set of confusion.”
    https://kra30c.cc
    kra30cc
    “It’ll be challenging” for those astronauts, Betts added. “It’s so different than Earth, and it’s just a whole different mindset.”

    That will be true no matter what time is displayed on the astronauts’ watches.

    Still, precision timekeeping matters — not just for the sake of scientifically understanding the passage of time on the moon but also for setting up all the infrastructure necessary to carry out missions.

    The beauty of creating a time scale from scratch, Gramling said, is that scientists can take everything they have learned about timekeeping on Earth and apply it to a new system on the moon.

    And if scientists can get it right on the moon, she added, they can get it right later down the road if NASA fulfills its goal of sending astronauts deeper into the solar system.

    “We are very much looking at executing this on the moon, learning what we can learn,” Gramling said, “so that we are prepared to do the same thing on Mars or other future bodies.”

  • Kommentar-Link Jeffreybuh Montag, 14 April 2025 11:53 gepostet von Jeffreybuh

    Lunar clockwork
    What scientists know for certain is that they need to get precision timekeeping instruments to the moon.
    kraken сайт
    Exactly who pays for lunar clocks, which type of clocks will go, and where they’ll be positioned are all questions that remain up in the air, Gramling said.

    “We have to work all of this out,” she said. “I don’t think we know yet. I think it will be an amalgamation of several different things.”
    https://kra30c.cc
    кракен вход
    Atomic clocks, Gramling noted, are great for long-term stability, and crystal oscillators have an advantage for short-term stability.
    “You never trust one clock,” Gramling added. “And you never trust two clocks.”

    Clocks of various types could be placed inside satellites that orbit the moon or perhaps at the precise locations on the lunar surface that astronauts will one day visit.

    As for price, an atomic clock worthy of space travel could cost around a few million dollars, according Gramling, with crystal oscillators coming in substantially cheaper.

    But, Patla said, you get what you pay for.

    “The very cheap oscillators may be off by milliseconds or even 10s of milliseconds,” he added. “And that is important because for navigation purposes — we need to have the clocks synchronized to 10s of nanoseconds.”

    A network of clocks on the moon could work in concert to inform the new lunar time scale, just as atomic clocks do for UTC on Earth.

    (There will not, Gramling added, be different time zones on the moon. “There have been conversations about creating different zones, with the answer: ‘No,’” she said. “But that could change in the future.”)

  • Kommentar-Link VirgilNeuse Montag, 14 April 2025 11:51 gepostet von VirgilNeuse

    Space, time: The continual question
    If time moves differently on the peaks of mountains than the shores of the ocean, you can imagine that things get even more bizarre the farther away from Earth you travel.
    kraken даркнет
    To add more complication: Time also passes slower the faster a person or spacecraft is moving, according to Einstein’s theory of special relativity.

    Astronauts on the International Space Station, for example, are lucky, said Dr. Bijunath Patla, a theoretical physicist with the US National Institute of Standards and Technology, in a phone interview. Though the space station orbits about 200 miles (322 kilometers) above Earth’s surface, it also travels at high speeds — looping the planet 16 times per day — so the effects of relativity somewhat cancel each other out, Patla said. For that reason, astronauts on the orbiting laboratory can easily use Earth time to stay on schedule.
    https://kra30c.cc
    кракен даркнет
    For other missions — it’s not so simple.

    Fortunately, scientists already have decades of experience contending with the complexities.

    Spacecraft, for example, are equipped with their own clocks called oscillators, Gramling said.

    “They maintain their own time,” Gramling said. “And most of our operations for spacecraft — even spacecraft that are all the way out at Pluto, or the Kuiper Belt, like New Horizons — (rely on) ground stations that are back on Earth. So everything they’re doing has to correlate with UTC.”
    But those spacecraft also rely on their own kept time, Gramling said. Vehicles exploring deep into the solar system, for example, have to know — based on their own time scale — when they are approaching a planet in case the spacecraft needs to use that planetary body for navigational purposes, she added.

    For 50 years, scientists have also been able to observe atomic clocks that are tucked aboard GPS satellites, which orbit Earth about 12,550 miles (20,200 kilometers) away — or about one-nineteenth the distance between our planet and the moon.

    Studying those clocks has given scientists a great starting point to begin extrapolating further as they set out to establish a new time scale for the moon, Patla said.

    “We can easily compare (GPS) clocks to clocks on the ground,” Patla said, adding that scientists have found a way to gently slow GPS clocks down, making them tick more in-line with Earth-bound clocks. “Obviously, it’s not as easy as it sounds, but it’s easier than making a mess.”

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