scholarly journals The Analysis of Dry Weather Aerial Photography in Sermo Kulonprogo Reservoir using DJI Spark Drone

2021 ◽  
Vol 884 (1) ◽  
pp. 012045
Author(s):  
Indreswari Suroso
Keyword(s):  
Aerial Photography ◽  
Water Discharge ◽  
Dry Season ◽  
Disaster Mitigation ◽  
Aerial Photographs ◽  
Original Position ◽  
Military Operations ◽  
Wind Resistance ◽  
Remote Controller ◽  
Agricultural Areas

Abstract Drones are a very important medium in the world of aerial photography to map military operations, agricultural areas, plantations, mining, urban planning, disaster mitigation, and outreach to remote areas and two types have been identified which are the winged and quadcopter. This research was conducted to map the drought-prone areas during the dry season in the Sermo Reservoir area, Kokap, Kulon Progo Regency between 14-15 August 2019. This involved the use of the DJI Spark quadcopter due to its more stability and wind resistance. The process involved connecting the DJI Spark drone remote controller to a smartphone, opening of DJI Go application, DJI Spark drone activation, smartphone installation on the remote controller holder, propeller installation, GPS settings in a locked position, drone flight and position adjustment, and capturing of the images on the smartphone screen. The results showed the water flow of the Sermo Reservoir has decreased by approximately 4 meters due to the dry season. This was evident in the changes from its original position of136.6 meters above sea level to 132.6 meters and this limits the quantity of water available to irrigate rice fields. The reservoir still has the capability to supply 800 liters per second in Pengasih District but the results of the aerial photographs showed the existence of drought and a decrease in the water discharge.

Aerial Photography and Archaeology

1936 ◽  
Vol 2 (2) ◽  
pp. 102-107 ◽  
Author(s):  
Dache M. Reeves
Keyword(s):  
Aerial Photography ◽  
Rapid Growth ◽  
Aerial Photographs ◽  
Military Operations ◽  
World War ◽  
The World ◽  
Archaeological Work ◽  
Post War

Aerial photographs were employed in archaeological work as early as 1880. The results proved the value of aerial photographs, but the methods of raising a camera aloft were unsatisfactory until the invention of the airplane. Also the quality of cameras and sensitive plates was not very good in the early days. For these reasons, aerial photography was applied to archaeology infrequently until after the World War.Military operations accelerated the development of airplanes. Cameras were designed especially for air use and the quality of lenses and plates was improved greatly. This resulted in a rapid growth of aerial photography. The applications of aerial photographs were limited almost entirely to military uses, including mapping. The post-war development followed similar lines. Aerial photography was found to be indispensable to military operations and all air forces devoted considerable attention to this specialty.

scholarly journals Environmental Monitoring Supported by Aerial Photography – a Case Study of the Burnt Down Bugac Juniper Forest, Hungary

2016 ◽  
Vol 9 (1-2) ◽  
pp. 31-38 ◽  
Author(s):  
József Szatmári ◽  
Zalán Tobak ◽  
Zsolt Novák
Keyword(s):  
Remote Sensing ◽  
Invasive Species ◽  
Aerial Photography ◽  
Aerial Photographs ◽  
Natural Ecosystems ◽  
Burnt Area ◽  
Automatic Methods ◽  
Gis Methods ◽  
One Year ◽  
Agricultural Areas

Abstract Wildfire poses a serious risk in several regions of the world threatening urban, agricultural areas and natural ecosystems as well. Nature conservation has important role to be prepared for the management of postfire environmental degradation and restoration for protected areas preserving valuable ecosystems. The improving temporal and spatial resolution of remote sensing and GIS methods significantly contributes to map the changes for accelerating management steps of restoration. In this study a severe wildfire and its impacts were assessed in case of a protected area of the Kiskunság National Park in Hungary, which was partly burnt down in 2012. The aim of this research was to efficiently and accurately assess the damages and to plan and execute the restoration works using remote sensing tools. Aerial data collection was performed one month, and one year after the fire. In 2014 the regenerated vegetation was surveyed and mapped in the field. Using the aerial photographs and the field data, the degree and extent of the fire damages, the types and the state of the vegetation and the presence and proportion of the invasive species were determined. Semi-automatic methods were used for the classification of completely, partially damaged and undamaged areas. Based on the results, the reforestation of the burnt area is suggested to prevent the overspreading of white poplar against common junipers and to clean the area from the most frequent invasive species. To monitor the regeneration of the vegetation and the spreading of the invasive species, further aerial photography and field campaigns are planned.

The Forests of South Viet Nam in 1971–72: A Personal Account

1984 ◽  
Vol 11 (2) ◽  
pp. 147-153 ◽  
Author(s):  
Paul W. Richards
Keyword(s):  
Aerial Photography ◽  
Viet Nam ◽  
Mangrove Forests ◽  
Military Operations ◽  
Personal Account ◽  
Soft Sediments ◽  
The Us ◽  
Academy Of Sciences

An account is given of the work on the forests of Viet Nam of the US Academy of Sciences' Committee on the Effects of Herbicides in South Viet Nam during 1971–74. Owing to the insecure state of the country at the time, very little work on the ground was possible. The Committee's conclusions had therefore to depend largely on observations from the air and aerial photography, and were subject to considerable errors.The appearance after herbicide spraying of the Inland and mangrove forests as seen from the air in 1971 and 1972 is described. In the Inland forest most of the emergent trees were killed, but much of the undergrowth remained alive. In addition to the effects of herbicides, the Inland forests suffered widespread damage from bombing and other military operations. In the mangrove forests, herbicide spraying destroyed almost the whole biomass, resulting in the complete denudation of vast areas of soft sediments.

scholarly journals The excavation of two crop-marks at Huntingtower, Perthshire

1983 ◽  
Vol 112 ◽  
pp. 580-583
Author(s):  
Gordon J Barclay
Keyword(s):  
Aerial Photography ◽  
Aerial Photographs ◽  
Cambridge University ◽  
Unpublished Note ◽  
Ancient Monuments

In the 1940s and 50s Mr Eric Bradley, a flying instructor at Scone, noticed and described a series of crop-marks to the W of Perth during attempts to trace the Roman road, from the Gask Ridge, at its last known point near Dupplin Lake some 8-5 km to the SW of the fort at Bertha. In 1969 Dr J X W P Corcoran admirably summarized the evidence available from Mr Bradley's notes and maps, Cambridge University Committee for Aerial Photography (CUCAP) photographs and RAF vertical photographs in an unpublished note, now in the NMRS. In 1967 a valuable series of aerial photographs of the Huntingtower sites was taken by John Dewar Studios for the Inspectorate of Ancient Monuments. Subsequently RCAHMS has photographed the area resulting in the discovery of further features.

Estimating Pine Density and Competition Condition in Young Pine Plantations Using 35mm Aerial Photography

1989 ◽  
Vol 13 (3) ◽  
pp. 107-112 ◽  
Author(s):  
James L. Smith ◽  
Shepard M. Zedaker ◽  
Richard C. Heer
Keyword(s):  
Decision Making ◽  
Aerial Photography ◽  
Field Work ◽  
Treatment Decisions ◽  
Pine Plantations ◽  
Aerial Photographs ◽  
Prediction System ◽  
Competition Condition ◽  
Competition Control

Abstract A prediction system was developed that estimated pine density and hardwood competition levels in young plantations using simple measurements made on 35mm aerial photographs. The precision of the prediction system was found to be moderate to good. The use of these photo-based modelsin a decision-making situation was examined. Ground-based decisions regarding replanting, spraying for competition control, or no treatment were compared to similar decisions reached strictly from the aerial photographic measurements. Approximately 80% of all decisions agreed, and 90% of theno-treatment decisions agreed. While aerial photographs do not totally eliminate the need for field work, it is clear that photographic information can often produce reliable decisions with reduced field efforts. South. J. Appl. For. 13(3):107-112.

Coastal Studies by Sequential Air Photography

1965 ◽  
Vol 19 (4) ◽  
pp. 372-381 ◽  
Author(s):  
H. L. Cameron
Keyword(s):  
Shallow Water ◽  
Systematic Study ◽  
Aerial Photography ◽  
Aerial Photographs ◽  
Current Action ◽  
Coastal Changes ◽  
Air Photo

With the advent of air photography, many problems of mapping coast lines, such as those caused by surf action and underwater obstructions, were solved, as the vertical air photo shows the exact configuration of the coast and reveals many of the shallow-water obstructions. This paper shows that aerial photographs, obtained at intervals ranging from 2 to 20 years, contain important information on long-term coastal changes, brought about by wave and current action over a period of time. Two examples of such changes, revealed by sequential aerial photography, are given. It is concluded that a program of systematic study of existing photographs and supplementary rephotography would more than justify its cost.

scholarly journals Smart Irigasi Berbasis Arduino Sebagai Kontrol Air Subak untuk Mempertahankan Ketahanan Pangan

2018 ◽  
Vol 5 (2) ◽  
pp. 94
Author(s):  
I Kadek Agus Wahyu Raharja ◽  
Fachri Zamzami ◽  
I Gede Feryanda Fransiska ◽  
I Gusti Ngurah Janardana
Keyword(s):  
Monitoring System ◽  
Rainy Season ◽  
Water Distribution ◽  
Irrigation System ◽  
Water Discharge ◽  
Dry Season ◽  
Rice Fields ◽  
Traditional Leader ◽  
Value Of Water ◽  
Solar Powered

Agriculture in Bali generally using Subak system as an irrigation system. This irrigation system is regulated by a traditional leader who is also a farmer in Bali. Water distribution is carried out according to the area of farmers land. The problems that can be happened on this irrigation system, such as the community that opens the floodgates to the rice fields, are not in accordance with the time provided by traditional leaders, and that can break the unity in the area. In addition, during the dry season the distribution of water is sometimes uneven because the availability of water in the dam does not meet the needs. So that Arduino-based Solar Powered Smart Irrigation is designed as one of the tools to facilitate the management of subak water distribution. The modeling made is to simulate 3 pieces of rice fields that are drained by water with the main source being the river and the source of the reserve in the form of a reservoir. This system is controlled based on the programmed time on the RTC module and the monitoring system uses the GSM SIM900 module. The data obtained is the value of water discharge in the rainy season of 2.090 L / s, the dry season of 11.18 L / s, and 0 L / s in the hard dry season.

scholarly journals Shoreline and surface area changes induced by floating islands in peatland lakes (Tuchola Pinewood Forest, Poland)

2011 ◽  
Vol 11 (4) ◽  
pp. 151-162
Author(s):  
Grzegorz Kowalewski
Keyword(s):  
Surface Area ◽  
Aerial Photography ◽  
Small Area ◽  
Aerial Photographs ◽  
Topographic Maps ◽  
Low Resolution ◽  
Shoreline Changes ◽  
The Past ◽  
Floating Mat ◽  
Observation Period

Shoreline and surface area changes induced by floating islands in peatland lakes (Tuchola Pinewood Forest, Poland)Multitemporal aerial photography and topographic maps were applied to investigate shoreline and surface area changes induced by floating islands in three small (area < 1 ha) peatland lakes in the Tuchola Forest. The observation period covers the last 60 years (1951-2011). Shorelines of peatland lakes are stable, unless parts of them detach as floating mats and become floating islands which could have migrated sporadically in the past. Currently, they are rooted permanently to the mat (Dury I and Dury V Lakes) or float loose (Kozie Lake). In the observation period, movement of the islands and closing of lake bays due to overgrowing were the main reasons of shoreline changes. Due to low resolution of old aerial photographs, other changes are not decipherable and can be treated as negligible. Therefore, no reasonable conclusions can be drawn regarding the actual floating mat encroachment during the last 60 years, and the rate of lake shrinking, based of aerial photographs.

Aborigine and settler: archaeological air photography

Antiquity ◽  
1978 ◽  
Vol 52 (205) ◽  
pp. 95-99 ◽  
Author(s):  
Graham Connah
Keyword(s):  
New England ◽  
Aerial Photography ◽  
New South ◽  
Aerial Photographs ◽  
Archaeological Sites ◽  
Low Level ◽  
South Wales ◽  
National University ◽  
Great Tradition ◽  
The University

Australian students of archaeology could be excused for thinking that aerial photography is a technique with little archaeological application in their own country. Archaeological text books usually draw their examples of the uses of aerial photography from Europe or the Americas; even the pages of Antiquity, graced for many years by the work of J. K. St Joseph and others, suggest a similar geographic limitation. It is also a fact that there are not many published aerial photographs of Australian archaeological sites. In particular, the great tradition of low-level oblique photography with hand-held camera seems to have had comparatively little impact on Australian archaeology. There have been notable exceptions: for instance Bill Webster, of the University of New England, has taken low-level oblique infra red photographs of the Moore Creek Axe Quarry near Tamworth, New South Wales (Binns and Mc- Bryde, 1972; McBryde, 1974); Jim Bowler of the Australian National University provided photography of Lake Mungo (Mulvaney, 1975, P1.47), and Judy Birmingham of Sydney University has published an aerial photograph of the Irrawang Pottery (Birmingham, 1976)

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