পদ্ধতির তুলনা করুন
নির্বাচিত পদ্ধতিগুলো পাশাপাশি পর্যালোচনা করুন; যে সারিগুলোয় পার্থক্য আছে সেগুলো চিহ্নিত করা হয়।
| Standardized Precipitation Evapotranspiration Index× | General Circulation Model× | |
|---|---|---|
| ক্ষেত্র | ভূপদার্থবিজ্ঞান | ভূপদার্থবিজ্ঞান |
| পরিবার | Process / pipeline | Process / pipeline |
| উদ্ভবের বছর≠ | 2010 | 1975 |
| প্রবর্তক≠ | Vicente-Serrano, Beguería, and López-Moreno | Syukuro Manabe and Richard Wetherald |
| ধরন≠ | Probability-based water deficit indicator | Deterministic coupled atmosphere-ocean simulation |
| মৌলিক উৎস≠ | Vicente-Serrano, S. M., Beguería, S., & López-Moreno, J. I. (2010). A multiscalar drought index sensitive to global warming: the Standardized Precipitation Evapotranspiration Index. Journal of Climate, 23(7), 1696-1718. DOI ↗ | Manabe, S., & Wetherald, R. T. (1975). The effects of doubling the CO2 concentration on the climate of a general circulation model. Journal of the Atmospheric Sciences, 32(1), 3-15. DOI ↗ |
| অপর নাম≠ | SPEI | GCM, Global Climate Model |
| সম্পর্কিত | 3 | 3 |
| সারসংক্ষেপ≠ | The Standardized Precipitation Evapotranspiration Index (SPEI) is a climate index that combines precipitation and temperature (via reference evapotranspiration) to characterize water deficits and droughts. Developed by Vicente-Serrano and colleagues in 2010, SPEI extends the SPI framework to account for the combined effect of precipitation deficiency and increased evaporative demand from warming, providing a more physically-based drought metric than precipitation-only indices. | A General Circulation Model (GCM), also called a Global Climate Model, is a three-dimensional numerical representation of the Earth's atmosphere, oceans, ice, and land surface that simulates physical processes governing weather and climate. Pioneered by Manabe and Wetherald in 1975, GCMs are the primary tools for understanding past climate, projecting future climate change, and investigating climate sensitivity to greenhouse gases and other forcings. |
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