prodi pendidikan geografi jurusan pendidikan ips … · pengertian pj “remote sensing is the...
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Oleh:Oleh:Listumbinang Halengkara, S.Si., M.Sc.
PRODI PENDIDIKAN GEOGRAFIJURUSAN PENDIDIKAN IPS FKIP UNILA2013
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PENGERTIAN PJPENGERTIAN PJ
“Remote sensing is the science and art of obtaining information about an object, area, or obtaining information about an object, area, or
phenomenon through the analysis of data acquired by a device that is not in contact with acquired by a device that is not in contact with
the object, area, or phenomenon under investigations”investigations
by Lillesand & Kiefer, 1979
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“PJ ialah ilmu dan seni untuk memperolehinformasi tentang obyek, daerah, atau gejalainformasi tentang obyek, daerah, atau gejala
dengan jalan menganalisis data yang diperolehdengan menggunakan alat tanpa kontakdengan menggunakan alat tanpa kontak
langsung dengan obyek, daerah, atau gejalayang dikaji tersebutyang dikaji tersebut
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Remote sensing refers to the variety of techniques that haveg f y f qbeen developed for the acquisition and analysis of informationabout the earth. This information is typically in the form ofelectromagnetic radiation that has either been reflected orelectromagnetic radiation that has either been reflected oremitted from the earth surface.
PJ yaitu berbagai teknik yang dikembangkan untuk perolehandan analisis informasi tentang bumi. Informasi ini khususberbentuk radiasi elektromagnetik yang dipantulkan atauberbentuk radiasi elektromagnetik yang dipantulkan ataudipancarkan dari permukaan bumi.
by Lindgren, 1985
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Beberapa istilah PJBeberapa istilah PJ
• Remote sensing (US England)Remote sensing (US, England)• Remotely Sensed (England)
l d i ( )• Teledetection (France)• Fernerkundung (Germany)• Sensoriamento Remota (Portugal)• Distantsionaya (Russia)Distantsionaya (Russia)• Perception Remota (Spain)
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“PJ ialah ilmu dan seni untuk memperolehinformasi tentang obyek, daerah, atau gejalainformasi tentang obyek, daerah, atau gejala
dengan jalan menganalisis data yang diperolehdengan menggunakan alat tanpa kontakdengan menggunakan alat tanpa kontak
langsung dengan obyek, daerah, atau gejalayang dikaji tersebutyang dikaji tersebut
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ALAT ALAT PENGINDERA / SENSORALAT ALAT PENGINDERA / SENSOR
WAHANA (PLATFORM)WAHANA (PLATFORM)
PESAWAT ULANG ALIK LAINNYAPESAWAT TERBANG SATELIT PESAWAT ULANG‐ALIK LAINNYA
OBYEK DI PERMUKAAN BUMI, DIRGANTARA, ANTARIKSA
JARAK JAUH
PJ
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JARAK JAUH/TIDAK LANGSUNG PERLU TENAGA
INTERAKSIOBYEK
SENSOR
HASIL REKAMAN/DATA PJ
CITRA PJ
INFORMASIINTERPRETASI DATA
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Sensor adalah alat pengindera, seperti kamera, penyiamp g , p , p y(scanner), dan radiometer yang masing‐masing dilengkapidengan detektor di dalamnya.
Citra (image/imagery) adalah gambaran yang terekam olehkamera atau oleh sensor lainnya / gambaran visual tenaga yangy / g g y gdirekam dengan piranti PJ.
Interpretasi Citra adalah kegiatan mengkaji citra dengan maksuduntuk mengidentifikasi obyek dan menilai arti pentingnya obyektersebut.tersebut.
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TAHAPAN PJTAHAPAN PJ
1. DETEKSIPENGENALAN PEROLEHAN
2. IDENTIFIKASIOBYEK DATA
3. ANALISIS PENILAIAN OBYEK INTERPRETASI
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Pemerintah SwastaPemerintah Swasta
Manual Digital
Multispektral Multisumber Hiperspektral
Per Piksel Per Obyek
MENUJU PEMANFAATAN YANG OPTIMAL
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ILMUFISIKALFISIKAL
SURVEYING
ILMU ILMU
SIG PJ
HAYATI SOSIALKARTOGRAFI
Posisi PJ dalam kaitannya dengan surveying, kartografi, dan SIG yang terbentukmelalui interface antara ilmu‐ilmu fisikal, hayati, dan sosial, dimana keempatnya
diikat oleh matematika dan logika
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Obyek Kajian Geografi
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SISTEM PENGINDERAAN JAUHSISTEM PENGINDERAAN JAUH
SUMBER TENAGA Non citra
sensordata visua
l
atmosfernc
aran
digital
citra
pan
Aneka pengguna dataAneka pengguna data
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