Geography of Jombang City

Geography
Most of the Jombang district is lowland, ie 90% of its territory is located at an altitude of less than 500 meters above sea level. In general Jombang District can be divided into 3 sections:

    The north, just north of the Brantas River, covering most of the District Plandaan, Kabuh District, and part of District and District Ngusikan Kudu. An area of ​​sloping limestone hills with a maximum height of 500 m above sea level. These hills are Kendeng Mountains east end.
    The middle section, which is south of the Brantas River, is the low land areas with slopes up to 15%. This area is an agricultural area with extensive irrigation network and a dense residential area.
    The southern part, including District and partially Wonosalam DOC and Mojowarno District. A mountainous region with the condition of the corrugated region. Getting to the southeast, the higher. Only some Wonosalam District which has a height above 500 m.RiverBrantas River, which is the largest river in East Java, Jombang District separating into two parts: the northern (24%) and southern (76%), along the ± 44 km. Jombang districts are increasingly trying to save the levee and the ecosystems that exist along the Brantas river. Steps include, by forming community groups (community groups) whose members consist of sand miners in 8 districts, and spread over 34 villages. [8] other rivers is significant Marmoyo River (23 miles), River Ngotok Ring Canal (27 km), Konto River (14 miles), River Scissors (12 km), and Jurangjero River (12 km). 
Climate and weatherJombang district has a geographical ° between 5:20 - 5:30 ° East Longitude and between: 7:20 'and 7:45' south latitude with an area of ​​115 950 ha or 2.4% of East Java Province.Climatic conditions, especially rainfall in Jombang District, located at an altitude of 500 meters above sea level has a relatively low rainfall which ranged between 1750 to 2500 mm per year. As for the areas located at an altitude of more than 500 meters from sea level, the average rainfall reaches 2500 mm per year.Jombang district is included which has a tropical climate, while based on the results of calculations according to the classification given by Smidt and Ferguson including climate type D. Where this type usually falls in the rainy season from October to April and dry season falls in the month of May to October. [9] 
Land useLand use patterns in the District of Jombang (2003) ever used for rice fields (42%), followed by residential (19%), forest (18%), tegal (12%), and others. Most of the fields (82%) is a technical irrigation, and most (10%) is rainfed