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RATUSAN HEKTARE
LAHAN PERTANIAN
TERPAPAR ABU
VULKANIK GUNUNG
SINABUNG
Mariska Halmaidah Sa'adilla Putri (F4401201031)
Aliyah Baida Wiwiyanti (F4501231015)
Rais Rahmadi (F4501231018)
KELOMPOK 1
Liputan 6.com, Karo
Polusi berasal dari sumber alami
berupa erupsi gunung berapi
SUMBER POLUSI
JENIS POLUSI
Jenis polusi yang masuk
ke lingkungan berupa
zat logam Timbal (Pb),
Tembaga (Cu), dan
Mangan (Mn)
1 Erupsi Gunung Sinabung
2 Lontaran abu vulkanik yang mengandung logam berat
3
Logam berat dalam abu vulkanik jatuh ke permukaan
(tanah, air, vegetasi, pemukiman, dan lainnya)
CARA POLUSI MASUK KE
LINGKUNGAN
Logam
Berat
Nilai Ambang
dala tanah(ppm)
Pb 2-200
Cu 2-100
Mn 100-4000
(Pickering 1980)
STANDAR BAKU MUTU
PENCEMARAN TANAH
Parameter Baku Mutu Satuan
Fisika
TDS 1000 mg/l
Suhu Air Dev 3 C
Kekeruhan -
Kimia
Pb 0,03 mg/l
Cu 0,02 mg/l
Mn - mg/l
STANDAR BAKU
MUTU KUALITAS
AIR SUNGAI
KELAS 2
PPRI No 22 Tahun 2021
kerusakan
lahan
erupsi abu dan
pasir
Kerusakan pada
tanaman
Kecamatan Payung
Kecamatan Namanteren
Kecamatan Tiga Binanga
Daerah terdampak :
1.
2.
3.
KERUSAKAN YANG DITIMBULKAN
AKIBAT POLUSI ABU VULKANIK
06
Air Sungai
Sumur
bak Penampungan terbuka
kenaikan kadar logam berat
pada:
1.
2.
3.
Holtikultura
Tanaman Pangan
Tanaman tahunan
Tanaman terdampak :
1.
2.
3.
TINGKAT PENCEMARAN
Kerusakan lahan akibat tutupan lapisan abu vulkanik berdampak
pada tiga kecamatan, yaitu:
Kecamatan Payung, Namateren dan Tiga Binaga
TINGKAT PENCEMARAN
Ketebalan debu letusan Gunung Sinabung sebesar 0,5-15 mm
Lontaran abu setinggi 7.000 m
TINGKAT PENCEMARAN
TINGKAT PENCEMARAN
Kandungan Timbal (Pb) dalam tanah
Nilai logam timbal semakin
menurun dengan semakin
dalamnya tanah yang diambil
pada beberapa desa. Kadar
logam berat (Pb) cukup rendah.
Abu volkanik Gunung Sinabung
aman dan tidak akan beracun.
TINGKAT PENCEMARAN
07
TINGKAT PENCEMARAN
Kandungan Tembaga (Cu) dalam tanah
Nilai logam tembaga semakin menurun dengan semakin dalamnya tanah
yang diambil pada beberapa desa. Kadar tembaga (Cu) sangat rendah. Abu
volkanik Gunung Sinabung aman dan tidak akan beracun.
TINGKAT PENCEMARAN
07
TINGKAT PENCEMARAN
Kandungan Mangan (Mn) dalam tanah
Nilai logam mangan semakin menurun dengan semakin dalamnya tanah
yang diambil. Kadar Mangan (Mn) sangat rendah. Abu volkanik Gunung
Sinabung aman dan tidak akan beracun.
TINGKAT PENCEMARAN
07
TINGKAT PENCEMARAN AIR
Kecamatan Namanteren Kecamatan Tiga Binanga Kecamatan Payung
Skor = -8 (Mutu kelas B / Cemar Ringan) Skor = -10 (Mutu kelas B / Cemar Ringan) Skor = -14 (Mutu kelas C / Cemar Sedang)
Status mutu kualitas air sungai di bagian hulu dan tengah mempunyai mutu
kelas B yaitu baik (cemar ringan) dan bagian Hilir mempunyai mutu kelas C
yaitu sedang (cemar sedang).
UPAYA REDUKSI POLUTAN
Penghutanan kembali lahan pemerintah untuk pengembalian
fungsi tangkapan air
Agroforestry berbasis rumput pakan
Ladang penggembalaan pada lahan milik warga
Penggunaan amelioran bahan organik pada tanah pasiran
1.
2.
3.
4.
Upaya tersebut bertujuan untuk mengembalikan fungsi lahan yang terdampak
logam berat agar dapat kembali produktif dan berfungsi dengan baik.
KESIMPULAN
Lahan yang terkena dampak debu vulkanik karena kadar timbal, tembaga dan
mangan masih berada dalam ambang batas yang tidak membahayakan.
Status mutu kualitas air sungai di bagian hulu dan tengah mempunyai mutu
kelas B yaitu baik (cemar ringan) dan bagian Hilir mempunyai mutu kelas C
yaitu sedang (cemar sedang).
Upaya pemulihan lahan dapat dilakukan dengan tata guna lahan yaitu
penghutanan kembali, agroforestry berbasis rumput pakan, dan penggunaan
amelioran bahan organik pada tanah pasiran.
1.
2.
3.
THANK YOU

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Kelompok 1_Tugas 1_Polsanling.pdf

  • 1. RATUSAN HEKTARE LAHAN PERTANIAN TERPAPAR ABU VULKANIK GUNUNG SINABUNG Mariska Halmaidah Sa'adilla Putri (F4401201031) Aliyah Baida Wiwiyanti (F4501231015) Rais Rahmadi (F4501231018) KELOMPOK 1 Liputan 6.com, Karo
  • 2. Polusi berasal dari sumber alami berupa erupsi gunung berapi SUMBER POLUSI
  • 3. JENIS POLUSI Jenis polusi yang masuk ke lingkungan berupa zat logam Timbal (Pb), Tembaga (Cu), dan Mangan (Mn)
  • 4. 1 Erupsi Gunung Sinabung 2 Lontaran abu vulkanik yang mengandung logam berat 3 Logam berat dalam abu vulkanik jatuh ke permukaan (tanah, air, vegetasi, pemukiman, dan lainnya) CARA POLUSI MASUK KE LINGKUNGAN
  • 5. Logam Berat Nilai Ambang dala tanah(ppm) Pb 2-200 Cu 2-100 Mn 100-4000 (Pickering 1980) STANDAR BAKU MUTU PENCEMARAN TANAH
  • 6. Parameter Baku Mutu Satuan Fisika TDS 1000 mg/l Suhu Air Dev 3 C Kekeruhan - Kimia Pb 0,03 mg/l Cu 0,02 mg/l Mn - mg/l STANDAR BAKU MUTU KUALITAS AIR SUNGAI KELAS 2 PPRI No 22 Tahun 2021
  • 7. kerusakan lahan erupsi abu dan pasir Kerusakan pada tanaman Kecamatan Payung Kecamatan Namanteren Kecamatan Tiga Binanga Daerah terdampak : 1. 2. 3. KERUSAKAN YANG DITIMBULKAN AKIBAT POLUSI ABU VULKANIK 06 Air Sungai Sumur bak Penampungan terbuka kenaikan kadar logam berat pada: 1. 2. 3. Holtikultura Tanaman Pangan Tanaman tahunan Tanaman terdampak : 1. 2. 3.
  • 8. TINGKAT PENCEMARAN Kerusakan lahan akibat tutupan lapisan abu vulkanik berdampak pada tiga kecamatan, yaitu: Kecamatan Payung, Namateren dan Tiga Binaga TINGKAT PENCEMARAN Ketebalan debu letusan Gunung Sinabung sebesar 0,5-15 mm Lontaran abu setinggi 7.000 m
  • 9. TINGKAT PENCEMARAN TINGKAT PENCEMARAN Kandungan Timbal (Pb) dalam tanah Nilai logam timbal semakin menurun dengan semakin dalamnya tanah yang diambil pada beberapa desa. Kadar logam berat (Pb) cukup rendah. Abu volkanik Gunung Sinabung aman dan tidak akan beracun.
  • 10. TINGKAT PENCEMARAN 07 TINGKAT PENCEMARAN Kandungan Tembaga (Cu) dalam tanah Nilai logam tembaga semakin menurun dengan semakin dalamnya tanah yang diambil pada beberapa desa. Kadar tembaga (Cu) sangat rendah. Abu volkanik Gunung Sinabung aman dan tidak akan beracun.
  • 11. TINGKAT PENCEMARAN 07 TINGKAT PENCEMARAN Kandungan Mangan (Mn) dalam tanah Nilai logam mangan semakin menurun dengan semakin dalamnya tanah yang diambil. Kadar Mangan (Mn) sangat rendah. Abu volkanik Gunung Sinabung aman dan tidak akan beracun.
  • 12. TINGKAT PENCEMARAN 07 TINGKAT PENCEMARAN AIR Kecamatan Namanteren Kecamatan Tiga Binanga Kecamatan Payung Skor = -8 (Mutu kelas B / Cemar Ringan) Skor = -10 (Mutu kelas B / Cemar Ringan) Skor = -14 (Mutu kelas C / Cemar Sedang) Status mutu kualitas air sungai di bagian hulu dan tengah mempunyai mutu kelas B yaitu baik (cemar ringan) dan bagian Hilir mempunyai mutu kelas C yaitu sedang (cemar sedang).
  • 13. UPAYA REDUKSI POLUTAN Penghutanan kembali lahan pemerintah untuk pengembalian fungsi tangkapan air Agroforestry berbasis rumput pakan Ladang penggembalaan pada lahan milik warga Penggunaan amelioran bahan organik pada tanah pasiran 1. 2. 3. 4. Upaya tersebut bertujuan untuk mengembalikan fungsi lahan yang terdampak logam berat agar dapat kembali produktif dan berfungsi dengan baik.
  • 14. KESIMPULAN Lahan yang terkena dampak debu vulkanik karena kadar timbal, tembaga dan mangan masih berada dalam ambang batas yang tidak membahayakan. Status mutu kualitas air sungai di bagian hulu dan tengah mempunyai mutu kelas B yaitu baik (cemar ringan) dan bagian Hilir mempunyai mutu kelas C yaitu sedang (cemar sedang). Upaya pemulihan lahan dapat dilakukan dengan tata guna lahan yaitu penghutanan kembali, agroforestry berbasis rumput pakan, dan penggunaan amelioran bahan organik pada tanah pasiran. 1. 2. 3.