Lands natural resources within processing needs to the wise action in order to

Suspended sediment load flowing out from a watershed is normally predicated by analysis os suspended sediment of water sample, and the volume of suspended sediment be calculated based on sediment concentration and river discharge. Such field measurements need a lot of field data and they are time consuming. Another method for prediction of suspended sediment by using remote sensing imagery data and recorded rainfall data. The objective of this research is to 1) examine the capability of remote sensing technique to obtain the parameters of the physical data of land in the prediction of suspended sediment; 2) examine the accuracy of the model for prediction suspended sediment. This research is carried out in Wuryantoro watershed, Wonogiri. The main data to obtain the parameters of the physical data of land is infrared aerial photograph on scale 1 : 10.000. the method that used in this research is interpretation of remote sensing imagery data, combined with rainfall data. The result show that the accuracy of landuse is 88.5%, the accuracy of slope is 87.67%. the accuracy of the prediction of suspended sediment by model A3 87.07%, model C1 86.63%, model C2 90.57%, model A8 84.13%, model A9 80.1%, and model C4 78.6%.

The aim of this paper is to discuss about the role of aerial photograph in urban planning. According to Northam (1979), there are seven elements of urban plan,. ning, i.e. (1) PendahuluanKota merupakan kegiatan penduduk yang meliputi kegiatan usaha, jasa, tempat tinggal dan rekreasi dan kegiatan pemerintahan. Sebagai pusat kegiatan maka kota mengalami pe rkembangan yang sedemikian pesatnya. Perkembangan ini tidak saja . pertambahan pusat-pusat kegiatan tetapi juga pe rtambahan jumlah p enduduknya. Setiap tahun be rjuta-juta orang pindah dari desa ke kota. Tingginya p e rtumbuhan penduduk d i daerah pe rko taan dalam kurun waktu 1920-1980 menyebabkan jumlah penduduk perkotaan berkembang 11 kali lipat, yaitu dari 2,8 juta menjadi 33 juta jiwa. Memasuki dasa warsa 90-an penduduk Indonesia yang tinggal di wilayah perkotaan sudah mencapai 26%. Gejala urban sprawl {penjarahan wilayah terbangun hingga melewati batas administrasi kota) dan konurbasi (penyatuan beberapa kota) adalah sebagai akibat tingginya pertumbuhan penduduk kota. Dalam kurun waktu 1980-1985 luas wilayah perkotaan di Indonesia be rtambah se besar 370.000 Ha. (Surna T. Jayaningrat,

This research is carried out in Elo sub catchments area that contains of the regency and the municipality of Magelang and Temanggung. The goals of this study are: (1) to predict the peak discharge by using the characteristic variable of catchments physical environment by means of the aerial photo interpretation,  to examine the technical accuracy of remote sensing to detect coeficient run off which used to predict the peak discharge. The research uses the aerial photo of black and white panchromatic on the scale 1:50. 000 in I994. It issupported by secondary data and field survey.The research method is the integration between the technical remote sensing and the Geographical Information System (SIG). Field survey is used to check the result of aerial photo interpretation and to collect the data that cannot he obtained from the image. The sample uses the purposive stratified sampling.The results of the research show that: (1) the aerial photo of black and white panchromatic on the scale 1:50. 000 is obtained to interpret the slope area and it is not good to interpret the accuracy of the covered arm is about 87% and 77,4 %, (2) the current coeflicient which is accounted hased on the table of Cook method is about 40,36% - deviates 39,94% from the field data; (3) the peak discharge in Elo sub catchments area with rational formula is about 3022,03 m/second, while the peak discharge as the observation result is about 112,675 m/second. Its large of research area causs the time to peak takes a long time, which causes raining intensity increases. The increasing value of raining intensity and the flow coeficient makes the value of peak discharge increases that larger than measured peak discharge.

There are three aims on this research: to determine  about the level of farming land capability and the sub class of farming land capability, to determine the area that posible to developed for farming land, to evaluate about farming land capability for landuse in the sub district of Boyolali Regency. The methods used in this research is observation in the field and laboratory with land unit approach as a standard  of mapping. The data collected from this research is degree of slope, erosion sensibility, erosion level, solum, texture, permeability, drainage, gravel/ pebble, and the flood hazard. The result of this research showed that the research area has II to VI land capability. Land capability II: 750 Ha (25,1%), III: 1308,1 Ha (43,7%), IV: 250 Ha (8,3%), V: 386,5 Ha (13%), VI: 299 Ha (10%). The dominant restriction is the soil moisture that consist of permeability and drainage.