Question
हिमनद की गतिविधियों से निर्मित अपरदनकारी भूआकृतियों को स्पष्ट आरेखों की सहायता से समझाइए। हिमनदों की आकारिकी पर टिप्पणी लिखें।
Answer :
Word Count : 491
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हिमनद या ग्लेशियर पृथ्वी की सतह पर धीरे-धीरे बहने वाली विशाल बर्फ की धाराएँ होती हैं, जो अपनी गतिशीलता के दौरान चट्टानों और मिट्टी को अपने साथ बहाती हैं। हिमनद की गतिविधियों से उत्पन्न अपरदनकारी भूआकृतियों में मुख्य रूप से घाटियाँ, मूरैन, हॉर्न, आरेस्ट्री, सर्क, और ड्यूज जैसी आकृतियाँ आती हैं। हिमनद जब अपनी गति के दौरान पर्वतीय ढालों से नीचे गिरता है, तो वह चट्टानों और कणों को तोड़ता और खुरचता है। इस प्रक्रिया से घाटियाँ विशेष आकार लेती हैं। पर्वतीय क्षेत्रों में अक्सर हिमनद U-आकार की घाटियाँ बनाता है, जबकि नदियों द्वारा काटी गई घाटियाँ V-आकार की होती हैं। उदाहरण के
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