GCD 4.0.7 (26/10/20)
-----------------------------------------
* Major updates:

Added "basin_size", "depo_context", "site_type" and "lands_desc" tables and associated information in "paleofiresites" table.
For a description of the variables added see help("paleofiresites") and data("paleofiresites"). For details
on a specific variable, for example "basin_size", see help("basin_size") and data("basin_size"). 

* Sites added:

1182	Djamila
1183	Ait Ichou
1184	Burullus Lagoon
1185	Princessvlei
1186	Lake Ngami
1191	Sainte-Luce
1193	Mandena
1194	Mandena forest
1201	Yak2-A
1202	Yak2-B
1203	Yak3-A
1204	Yak3-B
1205	Lake Gaye
1207	Lake Gwendolyn
1208	Lake Nancy
1209	Lake Vera
1210	Lake Osborne
1211	Lake Julia
1212	Square Tarn
1213	Hartz Lake
1214	Owen Tarn
1215	Lake Isla 
1216	Lake Rolleston
1217	Basin Lake TAS
1219	Sangha River
1227	Vankervelsvlei
1228	Lake Edward
1229	Rietvlei-Still Bay
1230	Eilandvlei
1231	Malahlapanga
1232	Lake Ngofouo
1233	Dead Sea
1238	Emile_Lake
1239	Izaac_Lake
1240	Paradis_Lake
1241	Saxon_Lake

GCD 4.0.6 (14/02/20)
-----------------------------------------

* Minor update: package raster declared in imports for R compatibility


GCD 4.0.5 (08/10/19)
-----------------------------------------

* Sites removed
"119"  "Lago Dell'Accesa"    
"129"  "Rucanancu"           
"420"  "ODP-1144"            
"667"  "Cederberg Pakhuisch" 
"835"  "Azzano Decimo part 1"
"836"  "Azzano Decimo part 2"
"837"  "Azzano Decimo part 3"
"1106" "Besancon TEST"       
"1155" "testNairobi"     
 
* Sites added:
"1168" "Lake Sidi Ali"          
"1169" "Lac Geai SBL"           
"1174" "La Laguna"              
"1175" "Laguna Grande"          
"1176" "Laguna de Valleseco"    
"1177" "Lac a Jean-Marie Boulay"
"1178" "Lac Bride"              
"1180" "Garba Guracha"      

* Added dataset about dating
date.rda -> dating information (age, depths, etc.)
date_type.rda -> code on date type (14C, tephra, etc.)
mat_dated.rda -> material dated


GCD 4.0.4 (23/11/18)
-----------------------------------------

* 0 "QUANTITY" charcoal values are stored as NULL in the SQL database and were dropped in previous GCD package versions !!PLEASE UPDATE!!
  Only affects older GCD 4.x.x versions

* 3 sites added


GCD 4.0.3 (20/08/18)
-----------------------------------------

* Prefunit is defined as the unit with more data for sites without influx (otherwise influx unit is always the prefunit) 

* 9 sites added and 1114 charcoal values


GCD 4.0.2 (24/04/18)
-----------------------------------------

* Three new fields in paleofiresites table to enable backward compatibility and listing GCD version numbers "GCD_version"
"num_version" and data publication date "update_date", see ?paleofiresites for details.

* num_dating variable issues corrected 

* minor bug fixes



GCD 4.0.1 (26/03/18)
-----------------------------------------

* 7 sites have been added and associated 3500 char values 

* Depths have been corrected to be exact at the third decimal for several sites


GCD 4.0.0 (01/03/18)
-----------------------------------------

* GCD database now mirrors the online SQL database http://paleofire.org

* Future updates will be monthly or whenerver database updates 

* Paleofiresites table has been reduced and adapted to SQL data (see pfSiteSel changes in paleofire package)

* charcoal_units table added


GCD 3.0.5 (22/04/15)
-----------------------------------------

* Removed potveg function (now part of paleofire package)

* Documentation moved to roxygen


GCD 3.0.4 (22/05/14)
-----------------------------------------

New features:

* Added publications and citation data for paleofire::pfPublication function

GCD 3.0.3 (30/04/14)
-----------------------------------------

* The rf99 and l12 fields have been updated using the potveg function and kernel density estimation of the dominant potential vegetation in a radius of 30 km around sites

* "0: Water" level has been added to potential vegetations

* Bug fix in potveg function related to projections not considered as longlat by default for the extract function (raster package). 

GCD 3.0.2 (08/04/14)
-----------------------------------------

* Bug fix that caused potveg to fail (related to old variable naming scheme)

GCD 3.0.1
-----------------------------------------

New features:

* Added UNIT METHOD and TYPE in paleofiredata to work in conjunction with pfTransform (paleofire package 1.1)

* Added potveg to retrieve the potential vegetation associated with charcoal sites (and plot capabilities)

* paleofiresites has been updated to work in conjunction with pfSiteSel (paleofire package 1.1)

Fixes:

* All data from the GCD is now included (multiple units may exist for single sites)

* Three decimal unit precision for all charcoal values


GCD 3.0
-----------------------------------------

* Initial release of the package
