Runtunuwu E. ANTHROPOGENIC CHANGES ON LAND COVER AND ITS IMPACT ON ACTUAL EVAPOTRANSPIRATION. Agromet [Internet]. 2007Dec.20 [cited 2024Apr.19];21(2):12-6. Available from: https://journal.ipb.ac.id/index.php/agromet/article/view/%3Cp%3E%20%3C%2Fp%3E%3Cp%20class%3D%22MsoNormal%22%20style%3D%22text-align%3Ajustify%3B%22%3E%3Cspan%20style%3D%22font-size%3A10pt%3Bline-height%3A115%25%3B%22%3ETulisan%20ini%20memaparkan%20perubahan%20distribusi%20vegetasi%20akibat%20kegiatan%20manusia%20serta%20dampaknya%20terhadap%20perubahan%20evapotranspirasi%20aktual%20di%20Monsoon%20Asia.%20Perbandingan%20antara%20vegetasi%20aktual%20dan%20potensial%20menjadi%20indikator%20dari%20dampak%20perubahan%20akibat%20kegiatan%20manusia.%20Kondisi%20vegetasi%20akual%20diidentifikasi%20dengan%20menggunakan%20citra%20satelit%2C%20sedangkan%20vegetasi%20potensial%20diekstrak%20dengan%20menggunakan%20data%20iklim.%20Dengan%20membandingkan%20distribusi%20vegetasi%20antara%20potensial%20dan%20aktual%2C%20ternyata%20bahwa%20perubahan%20banyak%20terjadi%20di%20India%2C%20China%2C%20Indonesia%20dan%20Malaysia.%20Selanjutnya%2C%20dengan%20menggunakan%20analisis%20neraca%20air%20dilakukan%20perhitungan%20evapotransipirasi%20aktual%20untuk%20kedua%20kondisi%20tersebut%20dengan%20menggunakan%20data%20iklim%20yang%20sama%2C%20tetapi%20dengan%20nilai%20albedo%20yang%20berbeda%20sebagai%20penciri%20perbedaan%20antara%20kondisi%20vegetasi%20potensial%20dan%20actual.%20Perubahan%20a%20E%20berkisar%20antara%200-12%25%20per%20tahun.%20Nilai%200%20untuk%20mencirikan%20daerah%20yang%20tidak%20mengalami%20perubahan%20akibat%20kegiatan%20manusia.%20Penurunan%20a%20E%20sebesar%20kurang%20dari%205%25%20teridentifikasi%20di%20daerah%20yang%20mengalami%20perubahan%20dari%20evergreen%20broadleaf%20forest%20%28seasonal%29%20ke%20padi%20sawahataupun%20dari%20hutan%20subtropikal%20menjadi%20lahan%20pertanian%2C%20seperti%20yang%20terjadi%20di%20Shandong%20%28China%29%2C%20Uttar%20Pradesh%20%28India%29.%20Penurunan%20a%20E%20mencapai%209%25%20teridentifikasi%20pada%20saat%20hutan%20sub%20tropis%20berubah%20menjadi%20padi%20sawah%2C%20seperti%20yang%20terjadi%20di%20Assam%20%28India%29%2C%20serta%20Guangdong%20dan%3Cbr%20%2F%3E%20Guangxi%20%28China%29.%20Penurunan%20sebesar%2012%25%20terjadi%20pada%20saat%20hutan%20tropis%20berubah%20menajdi%20lahan%20pertanian%20seperti%20yang%20terjadi%20di%20Kalimantan%20Selatan%20%28Indonesia%29%20and%20Pahang%20%28Malaysia%29.%3C%2Fspan%3E%3C%2Fp%3E%20%3Cbr%20%2F%3E