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ABOUT SCALE HIVES HONEYBEES SITE DATA NEWS LINKS
Wichita, KS
Return to Regional/National map
County:  Sedgwick State: KS
Active Since: 2012 Observer: Stucky
Lat/Long: 37.7, -97.4 Landsat WRS Path/Row: 0/0
MODIS TIle V/H: 0/0 MODIS Line, Samp: 0.00, 0.00

Site/Hive Description:

An urban residential site developed in the 1960’s, now with mature trees and gardens. The hive is well protected, shady, on the NE side of a two story house. The Arkansas River is ¼ mile to the west. Not near industrial pollution sources. Little cropland within range.

Colony:
Carniolan queen package started 7Apr12. Now in two 8 frame deeps.

Scale:
Fairbanks Standard No 11½. 500 lb capacity, ¼ lb divisions. Scale was zero’d using adjustment screw, and checked with sacks of sugar, and seems very sensitive.

Forage:
Cherry, pear Golden rain tree, catalpa, clover.

Nectar Flow Data 2012

Download Data File (comma delimited), download QA flag key

 

 
MODIS Subset Data (from the ORNL DAAC)
Red dots are the average of all pixels with acceptable quality (see landcover extract below for area covered).
Blue dots are the center pixel only (point is not plotted if the pixel is of unacceptable quality).

 

NDVI

The Normalized Difference Vegetation Index (NDVI) is the ratio of the  difference between visible (red) and infra-red (IR) wavebands to the sum of these bands. 

NDVI = nir - red / nir + red


 NDVI provides an indication of the amount and vigor of vegetated  surfaces. 

 NDVI has been widely used with multiple generations of satellite data.

EVI

 The Enhnaced Vegetation Index (EVI) is a more complicated combination of wavebands compared to the more widely used index, NDVI.  The advantage of this newer index is improved sensitivity in high biomass regions and reduction in atmospheric influences.
where,
pNIR = NIR reflectance
pRed = red reflectance
pBlue = blue reflectance
C1 = atmosphere resistance red correction coefficient
C2 = atmosphere resistance blue correction coefficient
L = canopy background brightness
G = gain factor

The MODIS sensor on the Terra satellite platform provides us with 16-day composite measures of NDVI/EVI throughout the year.  NASA distributes MODIS data from many of their distributed data centers.

MODIS Land Cover

MODIS Data Subset Citation:
Oak Ridge National Laboratory Distributed Active Archive Center (ORNL DAAC). 2007. MODIS subsetted land products, Collection 4. Available on-line [http://www.daac.ornl.gov/MODIS/modis.html] from ORNL DAAC, Oak Ridge, Tennessee, U.S.A..
 
 
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Last Updated: February 1, 2024