Bali Island, The God's Islands In Indonesia Archipelago

Bali Province in Indonesia consists of a number of islands including Bali Island it self as the biggest island, Nusa Penida Island, Nusa Ceningan Island, Nusa Lembongan Island, Serangan Island which located at the southern part of Bali Island, and Menjangan Island which located at the west side of Bali island. All the islands known worldwide as the God's Islands in Indonesia Archipelago.

A Balinese temple near the Nusa Dua Resort Beach

5. Toba Lake Surface Area

Previous   4. Toba Lake Outer Shoreline Distance

Toba Lake surface area measured based on the outer shoreline perimeter. Measurement using Google Earth polygon tool. Polygon tool created by click 'add polygon' tool at Google Earth toolbar. A Google Earth - New Polygon window will pop up, which named Untitled Polygon. Replace the name 'Untitled Polygon' with any name you want to tag your new polygon. Then use the mouse to create the points of the polygon perimeter. Google Earth automatically will calculated the perimeter length and the polygon area. The calculation will be showed in Measurements Tab below the polygon name. You can choose which unit will be used in the calculation. The units available are centimeters, meters, kilometers, inches, feet, yards, miles, nautical miles, smoots, degrees, arc second. Below is the image of Toba Lake polygon measurement.

4. Toba Lake Outer Shoreline Distance

Previous  3. The Distance of Samosir Island to Toba Lake Shoreline

Toba Lake outer side shoreline measurement shows the measurement between two point of outer side shoreline of Toba Lake. Toba Lake is lenghtwise from North-West to South-East direction. It's form is oval and have narrow part in the center area. Based of the direction, the position is vertically from north to south area. The images below show the length and width of Toba Lake based on the outer side shorelines. 

3. Samosir Island Distance to Toba Lake Shoreline

Previous  2. Samosir Island Length and Width

The farthest distance of Samosir Island to outer side of  Toba Lake is in north part of Toba Lake. This north area is the largest part of Toba Lake. It is estimated that the deepest point of Toba Lake is around this north area. The farthest distance is about 24,28 kilometers length from northern part of Samosir Island to Karo Regency shoreline. The images below show the farthest and shortest distance from Samosir Island to outer side Lake Toba shoreline.

2. Samosir Island Length and Width

Previous  1. Samosir Island Area

Samosir Island formed almost the same as the Toba Lake form. It is lenghtwise from North-West to South-East. The island parallel to east and west caldera side. The northern and southern tips of Samosir Island is narrower than the center part. The most narrowest part is in northern tip and the wider part is in the center part.Below images show the measurement result of Samosir Island Length and Wide.

1. Samosir Island Area

Previous  Toba Lake Facts Measured Using Google Earth

Samosir Island is an island in the center of Toba Lake. The island estimated created due to the geological process beneath the Toba caldera. The magma and gas tension beneath the Toba caldera pushed the earth mantle upward and created a land in the centre of Toba Lake named Samosir Island. The Samosir Island estimated as the weakest part of the Toba caldera earth mantle. The tension pushed Samosir Island land resulted the deepest area in Toba Lake to about 500 meter depth.

Google Earth Grids

Previous The Globe

Google Earth Grids View

One of feature which available in Google Earth is Grids feature. The grids are imagination lines that divided earth in to some parts by Latitude and Longitudes lines. Grids that available in Google Earth Option are Decimal Degrees, Degrees Minute Second, Degrees Decimal Minutes and Universal Transverse Mercator (UTM). The first three Lat/Long are geographical measurement using Degrees based on the imagination lines that divided earth by its rounded form.

Google Earth

Previous  Map

Based on the explanation about map, we can imagine how the Google Earth built. It contain billions of dots, lines and areas and pictures that arranged to build the picture of the globe. Layer by layer of earth surface pictures was arranged by its position in the earth, added with points, lines and areas that enriches the information the Google Earth can show.

Facts about Toba Lake

Previous   Toba Lake in North Sumatra, Indonesia

Toba Lake is a volcanic lake in North Sumatra Province, Indonesia. It is the biggest lake in Indonesia and South East Asia. The lake's water isolated by Toba Caldera that keep the water inside the caldera. An outlet stream of Toba Lake water is by Porsea in Toba Samosir Regency. The stream flow the Toba Lake water trough Asahan River to East Coast of North Sumatra in Asahan Regency. Some pictures captured from Google Earth show the measurement of Toba Lake area using Google Earth measurement tools. Some facts measured using Google Earth about Toba Lake area.

Toba Lake

Toba Lake

Toba Lake is a volcanic lake in North Sumatra, Indonesia. Lied in central area of North Sumatra Province, surrounding by chain of mountains that named Bukit Barisan in Indonesia. Based on World Lake Database data, Lake Toba is 905 meters above sea level, 529 meters maximum depth and 1.100 square kilometers surface area. There are some islands in the lake, the biggest is Samosir Island, the second is Sibandang Island and 8 smaller islands. North Sumatra is one of the Indonesia province in Sumatra Island.

Indonesia Archipelago

Indonesia is an archipelago country in South East Asia Area. The archipelago laid between Asia Mainland in North and Australia at South, Pacific Ocean in East and Indian Ocean in West. Geographically, Indonesia position is around 6 Degrees North and 11 Degrees South, around 95 Degrees East to 141 Degrees East. The latitute position indicated that Indonesia is crossing by Equator line.

The Globe

The Globe

In 2005, I found Google Earth in the net.  I was working for a Consultant company which doing a management consultancy for implementation of  Marine Management Program. Our area was Province North Sumatra, consist of three implementation regencies. They are Nias Regency, South Nias Regency and Central Tapanuli Regency. The job needed knowledge about the area which included in the program. Most of the location for the program implementation were in small island and coastal villages in the regencies. In the time, the information about the villages were limited and  lacks of good maps of the area either.

Map

Map or Chart created to show a location, position, situation or condition that the map creator intended to show in the Map or the Chart. Using Map or Chart someone will know the position and then determine the orientation. Map or Chart can be a diagram, a sketch or a digital.