GEOMORFOLOFI

1. GEOMORFOLOFI PENDAHULUAN

2. DEFINISI Geomorfologi dari bahasa Yunani kuno, geo = bumi, morfo = bentuk, logos = ilmu, (“landscape”).Mula-mula digunakan istilah fisiografi.Di Eropa fisiografi diartikan sebagai ilmu yang mempelajari rangkuman tentang iklim, meteorologi, oceanogcafi dan geografi. Akan tetapi para pakar Amerika tidak sependapat karena bidang ilmu yang mempelajari roman muka bumi erat hubungannya dengan ilmu geologi, mereka lebih cenderung memakai istilah Geomorfologi.

3. REFERENSI DEFINISI GeomorphologyFrom Wikipedia, the free encyclopediaJump to: navigation, search  Surface of the EarthGeomorphology is the study of landforms, including their origin and evolution, and the processes that shape them. The underlying question is: Why do landscapes look the way they do? The term is derived from the Greek ??, ge, meaning Earth, and µ??f?, morfé, meaning form. Geomorphologists seek to understand landform history and dynamics, and predict future changes through a combination of field observation, physical experiment, and numerical modeling. The discipline is practiced within geology, geodesy, geography, archaeology, and civil and environmental engineering. Early studies in geomorphology are the foundation for pedology, one of two main branches of soil science.Landforms evolve in response to a combination of natural and anthropogenic processes. The landscape is built up through tectonic uplift and volcanism. Denudation occurs by erosion and mass wasting, which produces sediment that is transported and deposited elsewhere within the landscape or off the coast. Landscapes are also lowered by subsidence, either due to tectonics or physical changes in underlying sedimentary deposits. These processes are each influenced differently by climate, ecology, and human activity.Practical applications of geomorphology include landslide prediction and mitigation, river control and restoration, coastal protection, and assessing the presence of water on Mars.Paleogeomorphology is the study of the geomorphology of all or part of the earth's surface at some time in the earth's past

4. SEJARAH (1) Dimulai pakar-pakar filsafat Yunani dan Itali, Herodatus (485-425 SM) (bapak "Sejarah" ) Aristoteles, Plato dll yang semuanya berusaha menjelaskan gejala-gejala alam di muka bumi (geologi) termasuk perubahan muka air laut dinyatakan sebagai suatu kutukan Tuhan atau dikenal dengan teori malapetaka. Selanjutnya dikenal Teori Katastrofisma (Cuvier) :Gejala­gejala morfologi terjadi secara mendadak, didukung oleh kejadian geologi seperti letusan gunung api, longsor, aliran lahar, begitu juga dataran-dataran terjadi secara demikian.James Hutton (1726 - 1797) sebagai "Bapak Geologi Modern" pendapatnya bertentangan dengan teori Katastrofisma: Proses pembentukan morfologi bekerja sepanjang waktu secara perlahan tetapi mampu membentuk bentuk-bentuk yang sekarang. Bahkan banyak perubahan yang terjadi pada masa lalu terjadi pada masa sekarang dan seterusnya."masa sekarang adalah kunci membuka tabir masa lampau”

5. SEJARAH (2) Pada masa sekarang geomorfologi bukan hanya meliputi hal-hal yang statis, tetapi juga mencakup hal yang dinamis yang dapat diramalkan kejadiannya di alam sebagai hasil interpolasi. Selain itu bentuk roman muka bumi dapat dinyatakan dengan besaran matematika seperti kita kenal dalam Geomorfologi Kwantitatif 

6. REFERENSI SEJARAH GeomorphologyFrom Wikipedia, the free encyclopediaJump to: navigation, searchHistoryGeomorphology was not originally differentiated from the rest of geography. The first geomorphic model was the geographical cycle or the cycle of erosion, developed by William Morris Davis between 1884 and 1899. The cycle was inspired by theories of uniformitarianism which were first formulated by James Hutton (1726-1797). Concerning valley forms, the cycle was depicted as a sequence by which a river would cut a valley more and more deeply, but then erosion of side valleys would eventually flatten out the terrain again, now at a lower elevation. The cycle could be started over by uplift of the terrain. The model is today considered too much of a simplification to be especially useful in practice.Walther Penck developed an alternative model in the 1920s, based on ratios of uplift and erosion, but it was also too weak to explain a variety of landforms. G. K. Gilbert was an important early American geomorphologist.

7. KONSEP MORFOLOGI a. Konsep kesinambungankonsep yang mengatakan bahwa segala sesuatu gejala alam yang terjadi sekarang juga terjadipada masa lampau bisa dari identitas yang samaataupun berbeda.

8. PROSES GEOMORFOLOGI (1)

9. 1. Tenaga endogen, dibedakan a. teramati prosesnya; vulkanisme. b. tak teramati prosesnya;  pembentukan pegunungan,  lipatan, patahan, dsb,

10. REFERENSI PENGELOMPOKAN LANDSCAPE GeomorphologyFrom Wikipedia, the free encyclopediaJump to: navigation, searchTaxonomyDifferent geomorphological processes dominate at different spatial and temporal scales. To help categorize landscape scales some geomorphologists use the following taxonomy:1st - Continent, ocean basin, climatic zone (~10,000,000 km²) 2nd - Shield, e.g. Baltic shield, or mountain range (~1,000,000 km²) 3rd - Isolated sea, Sahel (~100,000 km²) 4th - Massif, e.g. Massif Central or Group of related landforms, e.g., Weald (~10,000 km²) 5th - River valley, Cotswolds (~1,000 km²) 6th - Individual mountain or volcano, small valleys (~100 km²) 7th - Hillslopes, stream channels, estuary (~10 km²) 8th - gully, barchannel (~1 km²) 9th - Meter-sized features Its use, however, is rare and may be misleading - the nature of landscape change may be better viewed as a continuum of coupled processes.

11. HUBUNGAN GEOLOGI, FISIOGRAFI DAN GEOMORFOLOGI

12. HUBUNGAN UNIT GEOMORFOLOGI, TENAGA GEOMORFOLOGI DAN PROSES GEOMORFOLOGI

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