Материал Үйл ажиллагааны урсгал Үйл ажиллагааны төрөл All activity types New Package Changed Package Deleted Package Follow Dataset New Resource View Changed Resource View Deleted Resource View admin created the өгөгдлийн бүрдэл Stratospheric climate anomalies and ozone loss caused by the Hunga Tonga-Hunga Ha'apai volcanic eruption 1 долоо хоногийн өмнө