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Global • 2026-10-30, 18:58 GMT • ~1 min read

NASA satellites get a decade of carbon dioxide data upgraded for sharper climate picture

ناسا کے سیٹلائٹس سے کاربن ڈائی آکسائیڈ کا دس سالہ ڈیٹا بہتر ہو گیا، آب و ہوا کی واضح تصویر ملے گی

नासा के उपग्रहों से कार्बन डाइऑक्साइड का दशक भर का डेटा बेहतर हुआ, जलवायु की स्पष्ट तस्वीर मिलेगी

NASA satellites get a decade of carbon dioxide data upgraded for sharper climate picture

Key points

اہم نکات

मुख्य बातें

  • Scientists have released an upgraded decade-long record of atmospheric carbon dioxide measured from space, sharpening one of the key tools for tracking climate change.
  • Two NASA instruments, OCO-2 and OCO-3, capture more than a million observations of sunlight reflecting off Earth every day, turning them into carbon dioxide concentrations.
  • A new processing algorithm, with better instrument calibration and improved handling of clouds, aerosols and ocean reflections, has now reprocessed the full record from September 2014 to the present.
  • سائنسدانوں نے خلا سے ماپی گئی فضائی کاربن ڈائی آکسائیڈ کا بہتر شدہ دس سالہ ریکارڈ جاری کر دیا ہے، جو آب و ہوا کی تبدیلی پر نظر رکھنے کے اہم ذرائع میں سے ایک کو تیز کر دے گا۔ ناسا کے دو آلات، او سی او 2 اور او سی او 3، ہر روز زمین سے منعکس ہونے والی سورج کی روشنی کے دس لاکھ سے زیادہ مشاہدات کرتے ہیں اور انہیں کاربن ڈائی آکسائیڈ کی مقدار میں بدل دیتے ہیں۔ ایک نئے پروسیسنگ الگورتھم نے، بہتر آلات کی کیلیبریشن اور بادلوں، ایروسولز اور سمندری عکس بندی کے بہتر اندازے کے ساتھ، ستمبر 2014 سے اب تک کا مکمل ریکارڈ دوبارہ پروسیس کر دیا ہے۔ ارتھ اینڈ اسپیس سائنس جریدے میں شائع ہونے والی تحقیق کے مطابق نیا ریکارڈ زمینی پیمائشوں سے زیادہ قریب سے میل کھاتا ہے، اور اب یہ عوامی طور پر دستیاب ہے تاکہ محققین کاربن سائیکل کا مطالعہ کر سکیں اور جانچ سکیں کہ آب و ہوا کی پالیسیاں کام کر رہی ہیں یا نہیں۔
  • वैज्ञानिकों ने अंतरिक्ष से मापे गए वायुमंडलीय कार्बन डाइऑक्साइड का उन्नत दशक भर का रिकॉर्ड जारी किया है, जो जलवायु परिवर्तन पर नज़र रखने के प्रमुख साधनों में से एक को और तीक्ष्ण कर देगा। नासा के दो उपकरण, ओसीओ-2 और ओसीओ-3, हर दिन पृथ्वी से परावर्तित सूर्य के प्रकाश के दस लाख से अधिक अवलोकन करते हैं और उन्हें कार्बन डाइऑक्साइड की सांद्रता में बदल देते हैं। एक नए प्रसंस्करण एल्गोरिदम ने, बेहतर उपकरण अंशांकन और बादलों, एरोसॉल व समुद्री परावर्तन के बेहतर आकलन के साथ, सितंबर 2014 से अब तक का पूरा रिकॉर्ड फिर से संसाधित कर दिया है। अर्थ एंड स्पेस साइंस पत्रिका में प्रकाशित शोध के अनुसार नया रिकॉर्ड ज़मीनी मापों से अधिक निकटता से मेल खाता है, और अब यह सार्वजनिक रूप से उपलब्ध है ताकि शोधकर्ता कार्बन चक्र का अध्ययन कर सकें और जाँच सकें कि जलवायु नीतियाँ काम कर रही हैं या नहीं।

Scientists have released an upgraded decade-long record of atmospheric carbon dioxide measured from space, sharpening one of the key tools for tracking climate change. Two NASA instruments, OCO-2 and OCO-3, capture more than a million observations of sunlight reflecting off Earth every day, turning them into carbon dioxide concentrations. A new processing algorithm, with better instrument calibration and improved handling of clouds, aerosols and ocean reflections, has now reprocessed the full record from September 2014 to the present. The research, published in the journal Earth and Space Science, finds the new record agrees more closely with highly accurate ground-based measurements, and it is now publicly available to help researchers study the carbon cycle and judge whether climate policies are working.

سائنسدانوں نے خلا سے ماپی گئی فضائی کاربن ڈائی آکسائیڈ کا بہتر شدہ دس سالہ ریکارڈ جاری کر دیا ہے، جو آب و ہوا کی تبدیلی پر نظر رکھنے کے اہم ذرائع میں سے ایک کو تیز کر دے گا۔ ناسا کے دو آلات، او سی او 2 اور او سی او 3، ہر روز زمین سے منعکس ہونے والی سورج کی روشنی کے دس لاکھ سے زیادہ مشاہدات کرتے ہیں اور انہیں کاربن ڈائی آکسائیڈ کی مقدار میں بدل دیتے ہیں۔ ایک نئے پروسیسنگ الگورتھم نے، بہتر آلات کی کیلیبریشن اور بادلوں، ایروسولز اور سمندری عکس بندی کے بہتر اندازے کے ساتھ، ستمبر 2014 سے اب تک کا مکمل ریکارڈ دوبارہ پروسیس کر دیا ہے۔ ارتھ اینڈ اسپیس سائنس جریدے میں شائع ہونے والی تحقیق کے مطابق نیا ریکارڈ زمینی پیمائشوں سے زیادہ قریب سے میل کھاتا ہے، اور اب یہ عوامی طور پر دستیاب ہے تاکہ محققین کاربن سائیکل کا مطالعہ کر سکیں اور جانچ سکیں کہ آب و ہوا کی پالیسیاں کام کر رہی ہیں یا نہیں۔

वैज्ञानिकों ने अंतरिक्ष से मापे गए वायुमंडलीय कार्बन डाइऑक्साइड का उन्नत दशक भर का रिकॉर्ड जारी किया है, जो जलवायु परिवर्तन पर नज़र रखने के प्रमुख साधनों में से एक को और तीक्ष्ण कर देगा। नासा के दो उपकरण, ओसीओ-2 और ओसीओ-3, हर दिन पृथ्वी से परावर्तित सूर्य के प्रकाश के दस लाख से अधिक अवलोकन करते हैं और उन्हें कार्बन डाइऑक्साइड की सांद्रता में बदल देते हैं। एक नए प्रसंस्करण एल्गोरिदम ने, बेहतर उपकरण अंशांकन और बादलों, एरोसॉल व समुद्री परावर्तन के बेहतर आकलन के साथ, सितंबर 2014 से अब तक का पूरा रिकॉर्ड फिर से संसाधित कर दिया है। अर्थ एंड स्पेस साइंस पत्रिका में प्रकाशित शोध के अनुसार नया रिकॉर्ड ज़मीनी मापों से अधिक निकटता से मेल खाता है, और अब यह सार्वजनिक रूप से उपलब्ध है ताकि शोधकर्ता कार्बन चक्र का अध्ययन कर सकें और जाँच सकें कि जलवायु नीतियाँ काम कर रही हैं या नहीं।

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