Remote sensing data has capability to detect Water Surface Temperatures in spatial or temporal analysis. Sea surface water temperature (SST) is one of the important indicators of dynamic global climate and dynamic regional climate. The increasing of SST will be effect to global warming and climate change and resulting in disaster such as hurricane, extreme heavy rain, landslide, tornado, melting ice in polar that resulting sea water rises. Indonesia as an Archipelago that consist of ten thousand islands, sea water rise scan cause a small island to sink. This research is aim to early detect SST with Remote Sensing to anticipate Global Warming. The method is literature study from related science journal as a result from researchers. Result of scientist’s researchers in Indonesia show that there has been increase of water surface temperature that has been varied in period over 32 years.It is need an effort to anticipate that there is no disaster. Keywords: Satellite Data;Global Warming;Remote Sensing;Surface Water Temperature
Saat ini Indonesia dilanda pandemi virus Covid-19 sehingga membuat masyarakat semakin sadar akan pentingnya pola hidup sehat, salah satunya dengan melakukan olahraga seperti bersepeda. Berdasarkan survey di lapangan semakin banyak warga Jakarta bersepeda, baik secara pribadi maupun secara komunitas. Namun peningkatan pengguna sepeda di DKI Jakarta belum didukung oleh fasilitas untuk pengguna sepeda seperti kurangnya jalur sepeda dan tidak adanya parkir khusus yang memadai. Salah satu jalur sepeda yang sering dilalui di DKI Jakarta adalah jalur sepeda di Jalan Pemuda Jakarta Timur, jalur yang sering dilalui pesepeda karena jalur tersebut dekat dengan Jakarta In Velodrome yang merupakan tempat masyarakat Jakarta Timur berolahraga. Penelitian ini bertujuan untuk mengetahui faktor-faktor yang mempengaruhi keinginan pesepeda untuk menggunakan jalur sepeda di Jalan Pemuda Jakarta Timur. Data yang digunakan dalam penelitian ini adalah data hasil kuisioner yang didapatkan dengan cara membagikan kuisioner secara online menggunakan Google Form kepada masyarakat kota Jakarta Timur yang menggunakan sepeda. Metoda yang digunakan dalam penelitian ini adalah metoda analisis Regresi Linear Berganda. Berdasarkan analisis yang telah dilakukan, ternyata terdapat 6 faktor yang menambah keinginan untuk bersepeda di jalur sepeda, Jalan Pemuda, Jakarta Timur yaitu jalur sepeda mudah dijangkau, garis batas sudah masih bisa terlihat, jalur tidak disalahgunakan, tersedia traffic light yang baik, tersedia tempat parkir dan rambu larangan parkir untuk moda lain. Adapun mayoritas responden memilih bersepeda untuk berolahraga, dengan pengalaman bersepeda selama 1-5 tahun. Faktor yang paling menambah keinginan pesepeda melewati jalur sepeda di Jalan Pemuda Jakarta Timur adalah tersedianya traffic light yang baik di jalur sepeda, sebaliknya faktor yang paling sedikit menambah keinginan pesepeda melewati jalur tersebut adalah adanya rambu larangan parkir untuk moda lain pada jalur sepeda
Find out the force of the structure wooden framework is one indication in determining the dimensions of compression chord, tension chord, diagonal chord, and vertical chord. The value of each chord force is the main requirement in the planning dimension and joints connections in the structure planning of the wooden framework. Analysis/calculation of each of the chord forces in the wooden framework (tension chord, compression chord, vertical chord, and diagonal chord) using a method of joint and Structural Analysis Program (SAP-2000). Wooden framework span is 7 m, (α) = 30°, and the number of compression chord is 6. Results of the two methods will show the value of each of the chord force structures, the value of the chord force compared to see the accuracy of the structural analysis program. Analysis and calculation found the ratio of maximum and minimum value for each chord force using a method of joint and structural analysis program are 0.15 and 0. Based on research results, a Structural Analysis Program (SAP-2000) can be used to design and analyze a wooden framework, to simplify and save time in planning the structure of the wooden framework.
This research was conducted to analyze and determine the height difference accuracy using the method of measuring the different heights of a closed loop using Waterpass B2 and Total Station Kolida 420SR. The location of research in the Ciloto area, Puncak, West Java with coordinates 107˚ east longitude and 06˚ south latitude, on 14-15 December 2014 using a local high point reference. Measurements were made three times with different looped but the starting and ending points were the same points. Accuracy of calculation is done by calculating the average of the least squares to determine the standard deviation of the measurement results with each equipment. The result is the standard deviation of the height difference with the waterpass is 0.01mm, while with the Total Station it is 0.02 mm. Based on the results of the standard deviation of the height difference, the Total Station can be used for height measurements in civil engineering project that does not require very high accuracy and height difference measurements with the Total Station are more economical because the time required for measurement is a quarter of the time required height difference measurement with Waterpass. Keywords: height measurement; Waterpass; Total station. AbstrakPenelitian ini dilakukan untuk menganalisis dan mengetahui ketelitian beda tinggi menggunakan metode pengukuran beda tinggi suatu ring tertutup menggunakan Waterpass B2 dan Total Station Kolida 420SR. Lokasi penelitian terletak di daerah Ciloto, Puncak Jawa Barat dengan koordinat 107o bujur timur dan 06o lintang selatan, pada tanggal 14 dan 15 Desember 2014 dengan menggunakan referensi titik tinggi lokal. Pengukuran dilakukan tiga kali dengan ring yang berbeda namun titik pangkal dan ujung adalah titik yang sama. Hitungan ketelitian dilakukan dengan hitung perataan kuadrat terkecil untuk mengetahui standar deviasi hasil pengukuran dengan masing-masing alat. Hasilnya adalah standar deviasi beda tinggi dengan waterpass sebesar 0.01mm, sedangkan dengan Total Station sebesar 0.02 mm. Berdasarkan hasil perhitungan nilai standar deviasi pengukuran beda tinggi, maka Total Station dapat digunakan untuk pengukuran beda tinggi pada pekerjaan teknik sipil yang tidak memerlukan ketelitian yang sangat tinggi, dan pengukuran beda tinggi dengan Total Station lebih ekonomis karena waktu yang diperlukan untuk pengukuran adalah seperempat dari waktu yang diperlukan pengukuran beda tinggi dengan Waterpass.
This study is to analyze the accuracy of height measurements using the Waterpass as high measurement of height and Kolida Theodolite DT 02. The location of the study was conducted in the Cawang Campus UKI area in November 2018. The method used is the measurement of the different height of polygon with a closed-loop by using Waterpass B2 and Kolida DT 02 Theodolite by using Tachymetri. Measurements are made three times with different loop, with the starting point and the end are the same point. The results showed that the calculation of the high closing error in rings 1, 2 and 3 with the Waterpass were 1 mm, 4 mm and 6 mm respectively. Whereas the high closing error with Theodolite Kolida DT 02 is12mm, 6mm, 19mm respectively. The Standard deviation of height difference with Waterpass is 1mm while with Theodolite 19mm. The conclusion that can be drawn is the Theodolite Kolida DT 02 can be used for high measurements in jobs that are not required to be very high accuracy. Keywords : Tachymetri:high measurement;accuracy
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