Nigbati awọn ipele methane ba kọja aaye bugbamu oke tabi ṣubu ni isalẹ opin isalẹ, ijona jẹ onírẹlẹ nitori aini boya methane tabi atẹgun. Laarin awọn bugbamu ibiti o, sibẹsibẹ, Iwọn methane-to-oxygen jẹ aipe fun ijona, nfa ina gbigbona.
Ti o ba wa ni akoko yii, Ihuwasi kemikali waye ni agbegbe ihamọ ati beere itusilẹ ooru pataki, Abajade ategun faagun ni kiakia, ipari ni bugbamu.