搜索结果: 1-5 共查到“大气科学 savanna”相关记录5条 . 查询时间(0.062 秒)
Global fire emissions and the contribution of deforestation, savanna, forest, agricultural, and peat fires (1997–2009)
Global fire deforestation savanna forest agricultural peat fires
2010/12/28
New burned area datasets and top-down constraints from atmospheric concentration measurements of pyrogenic gases have decreased the large uncertainty in fire emissions estimates. However, significant ...
Western equatorial African forest-savanna mosaics：a legacy of late Holocene climatic change?
forest-savanna environmental changes late Holocene climatic
2009/12/3
Past vegetation and climate changes reconstructed using two pollen records from Lakes Maridor and Nguène, located in the coastal savannas and inland rainforest of Gabon, respectively, provide new insi...
Long term precipitation chemistry and wet deposition in a remote dry savanna site in Africa （Niger）
precipitation chemistry wet deposition remote dry savanna site Africa
2009/3/13
Long-term precipitation chemistry have been recorded in the rural area of Banizoumbou (Niger), representative of a semi-arid savanna ecosystem. A total of 305 rainfall samples ~90% of the total annual...
New insights in the global cycle of acetonitrile: release from theocean and dry deposition in the tropical savanna of Venezuela
global cycle of acetonitrile dry deposition tropical savanna of Venezuela
2009/2/20
Using the proton transfer reaction mass spectrometry (PTR-MS) technique, acetonitrile was measured during the wet season in a Venezuelan woodland savanna. The site was located downwind of the Caribbea...
Methane emission from tropical savanna Trachypogon sp. grasses
Methane emission tropical savanna Trachypogon sp. grasses
2009/1/20
Methane flux measurements from the soil-grass system were made during the wet season in unperturbed plots and plots where standing dry and green Trachypogon sp. grasses were clipped to just above the ...