Nad27 - Study guides, Class notes & Summaries

Data exploration Data-centered query and analysis Dynamic Segmentations A data model that allows the use of linearly measured data on a coordinate system Georelational data model A vector data model that uses a split system to store geometries and attributes GeoSpatial data Data that describes both the locations and characteristics of spatial features on the earth surface Object-based data model A data model that uses objects to organize spatial data and stores geometries and attribu...

GIS Quiz Questions with All Correct Answers A conformal projection preserves the property of: a. relative size b. Local shapes. c. distances d. None of the above - Answer-b. local shapes Conformal projections preserve local shapes and angles, but distort relative surfaces and distances Which of the following statements is true about North American Datum (NAD)? a. NAD83 is a newer datum than NAD27 b. NAD83 is based on a satellite-determined spheroid. c. Maps based on NAD...

RNR 2102 - Exam 2 Questions and Answers Already Passed Given that the dot grids contain 25 dots per square inch, and that the scale of the map is 4 inches to the mile, compute area in acres of a tract covering 450 dots. 720 ac Calculate radius of a 0.2-acre circular plot. 52.660 ft Given the following volume table and the total tree tally on 12 plots of 0.1-ac each, compute trees/acre, basal area/acre, and volume/acre. (see sheet) Trees/ac = 208.333 trees/ac Basal area/ac= 53.631 ...

GIS correct answers Geographic Information System GPS correct answers Global Positioning System PDOP correct answers Positional Dilution of Precision NAD27 correct answers North American Datum 27 NAD83 correct answers North American Datum 83 WGS84 correct answers World Geodetic System 1984 UTM correct answers Universal Transverse Mercator DEM correct answers Digital Elevation Model DOQQ correct answers Digital Orthophoto Quarter Quadrangles SA correct answers Selective...

RNR 2102 Exam 2 Questions and Answers Already Passed in what case is the 100% tree tally appropriate? when the stand is very valuable GIS geographic information system GPS Global positioning system PDOP positional dilution of precision NAD27 north american datum of 1927 NAD83 north american datum of 1983 WGS84 world geodetic system of 1984 UTM universal transverse mercator DEM digital elevation models DOQQ digital orthophoto quarter quadrangles SA selective avai...

GIS Final Exam (Quiz Review) Questions and Answers 100% Pass In this course there are exams and software competency evaluations. - A degree of latitude and a degree of longitude are only the same size at the equator T/F: - True The spherical coordinate system that we use on the globe is referred to as the _____________ Coordinate System - Geographic The most common horizontal datum reference systems you are likely to encounter in North American maps are NAD27 & NAD83 T/F: - True The ra...

ASBOG EXAM REVIEW PRACTICE QUESTIONS AND ANSWERS What does it mean when you have topographic contours on a 1:24,000 scale base map that are roughly circular and have hachures on the counters? - ANS-They represent a closed depression You have a base map at a scale of 1:6,000 and you need to represent the information you obtained during a field investigation of a site that is one square mile, that included mapping of your site as well as subsurface exploration results. What do you need to...

GISP Verified Solutions Data Models - Data Exploration: A data-centered query and analysis process to explore and understand data. - Dynamic Segmentations: A data model that employs linearly measured data on a coordinate system for analysis. - Georelational Data Model: A vector data model that uses a split system to store geometries and their attributes separately. - GeoSpatial Data: Data describing both the locations and characteristics of spatial features on the Earth's surface. - Obj...

A= Pier^2 Square root of A/Pie= radius .2/pie squared= radius =.25 correct answers Calculate radius of a .2-acre circular plot. 2 DBH class correct answers In what case is the 100% tree tally appropriate? 50 plots x .1 ac= 5ac 5ac/100ac= 5% cruise correct answers Cruise intensity is defined as cruise % . What is cruise % when 50 plots of size .1 acres each are sampled from a 100 acre tract? 20 ch x 30ch= 600 ch^2 = 60 ac 5% of 60 ac = 60 x 5/100 = 3 ac 3 ac/.2 ac = 15 plots corr...

in what case is the 100% tree tally appropriate? - ANS when the stand is very valuable GIS - ANS geographic information system GPS - ANS Global positioning system PDOP - ANS positional dilution of precision NAD27 - ANS north american datum of 1927 NAD83 - ANS north american datum of 1983 WGS84 - ANS world geodetic system of 1984